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• About UsMaking bright ideas brilliant. Harper International is a global leader in complete thermal processing solutions, as well as technical services essential for the production of advanced materials. From concept to commercialization, from research scale to full production line operations, Harper is perpetually on the cutting edge. Since our founding in 1924, nosotros have pioneered some of the earth'southward most innovative, customized systems, with a focus on processing materials at high temperatures and in non-ambience atmospheres. Harper's value proffer is unequaled — decades of industry feel, a highly specialized, multi-talented group of employees, and a passion for partnership. We don't shoehorn a standard line of products to fit our customers' requirements. We specialize in starting time-of-a-kind solutions using our infrequent depth and breadth of cognition. Harper's culture is 1 of 18-carat ingenuity and creativity, which ensures we are constantly challenging ourselves to arts and crafts the best-engineered technology solution for our customers' unique thermal processing needs. Our Make "Spark the Hereafter". Harper has a unique ability to turn our customers' spark of an idea into reality. Nosotros do this through infrequent partnerships and a forward-thinking philosophy to deliver the most innovative thermal processing system possible. Our logo, tagline and accompanying imagery assist to visually…
  • News and Events
  • CareersAt Harper, our cadre strength is the combined cognition and effort of our unique and multi-talented employees, creating an authentic environment of innovation and collaboration. From engineering to accounting, marketing to manufacturing, Harper's employees are challenged to think differently every day. This culture has enabled us to evolve into one of the world's leading providers of cut-edge thermal processing solutions for avant-garde textile evolution. Every bit an ESOP (employee stock ownership program) company, Harper truly puts the future of the business in the hands of our employees, as every employee is a part owner. Our ESOP is substantially a company funded retirement plan that is uniquely tailored to motivate and reward employees for meeting strategic goals and objectives. Being part of an ESOP is a distinctive opportunity to truly see the fruits of your labor as the company achieves higher productivity and growth, and, in plow, greater employee satisfaction and bounty. Harper International believes strongly in the value of a diverse workforce.  Nosotros take made a commitment to equal employment opportunity through a positive and continuing Affirmative Action Program. Nosotros recruit, hire, train and promote without regard race, color, religion, sex, national origin, age, disability, veteran status or whatever other legally…
  • Harper HappeningsJanuary eleven, 2012 Industrial Processing GlobalSpec Online Exhibitor January 24-25, 2012 ICACC Daytona Beach, FL Booth #103 Feb 26-March 1, 2012 MCARE Clearwater, FL Gold Sponsor November seven-nine, 2012 JEC AmericasBoston, MAStand A14
  • History of HarperHarper traces its history back to John 50. Harper, who patented and built the first electric kilns and furnaces in 1906 and established Harper Electric Furnace Company in 1924. At that time, Harper saw an opportunity with materials processing companies who operated combustion-heated furnaces that were incapable of providing the controlled atmosphere required to procedure advanced new materials. Determined to find a solution, a young engineer and an electrical company executive conceived a better heating method – an electric-resistance-heated furnace capable of meeting the stringent new process requirements. The Harper Electrical Furnace Corporation was built-in. Offer precise control of atmosphere and temperature, Harper furnaces rapidly became a quality standard among materials processors and the forerunner of many innovations to come. Over the years, Harper has been a continued innovator of thermal processing solutions for the materials manufacture, including the first furnace to process nuclear fuels in the 1940s and the kickoff commercial graphite-chemical element furnace-equipment capable of operating at far higher temperatures under precise atmospheric control. Harper was a early partner to the carbon fiber industry, providing systems in the 1970s at its inception. Today, Harper is a trusted leader in thermal processing solutions for the growing carbon fiber market, and is the simply thermal systems provider in the…
  • Industry Partnerships
  • Contact UsHarper International Corp. 100 W Drullard Ave Lancaster, NY 14086-1698 Phone: 716-684-7400 Fax: 716-684-7405 info@harperintl.com Sales Inquiries: Harper is focused on comprehensive thermal processing technologies and services for your unique needs, applying our innovative solutions for your success. To contact u.s.a. straight, please complete the below data as an initial scope of your request. For customers exterior of the USA, y'all may contact one of our international sales offices. A representative will exist in touch presently to discuss your requirements in more detail. [contact-form ane "Contact form ane"]
  • International Partners
• Capabilities & ServicesWith Harper, you volition find a partner uniquely qualified to make your thermal process challenge a success. No one else offers an end-to-end service approach with an all-encompassing range of engineering science solutions, delivered by a passionate and uncommonly skilled staff. That's why world-leading fabric technology companies, as well as cutting edge start-ups, depend on Harper for ingenious, first-of-a-kind systems. Harper's philosophy is not only to deliver comprehensive systems with the latest technologies, resulting in distinctive solutions, but besides to design features that ensure the most efficient and effective operations. Whether it's optimized waste gas treatment, command systems with predictive maintenance, or energy efficiency techniques, Harper always has the complete solution in mind. Of class, maxim nosotros're the partner for you doesn't get the job done — nosotros're eager to evidence it. Larn more… Ignite™ with Harper Check out our patents Run across some of Harper'southward innovators Research Centre & Piloting facilities Customer testimonials Customer support
  • Ignite® – Process Development ProgramFrom Spark to Finish. Get to market faster and more efficiently with Harper's Ignite™ process. Harper enables companies in the evolution of advanced materials, from the lab to full commercialization, helping make their innovations a reality. Utilizing our depth and breadth of experience in thermal processing, we partner with our customer to ensure success every bit they scale up their process operations. Feasibility and Testing Optimization of process parameters is disquisitional prior to investment in thermal processing equipment to ensure capacity and quality requirements are accomplished. At our Engineering science Research Center, customers utilize Harper's systems and expertise in their process development and procedure optimization for use in commercial scale-up and for those systems with unique specifications. Harper also provides a diverseness of boosted belittling services such as gas assay (critical to ensuring compliance with environmental regulations) electron microscopy, XRD, BET, and other thermal and elemental analysis. Learn more – Research Centre & Pilot Facility Engineering science Studies Count on our extraordinarily experienced engineering staff to comport in-depth studies to determine equipment requirements and help ascertain process parameters for optimal plant design to assist with technical and business organisation strategy and fiscal planning. Our vast capabilities in thermal processing engineering science studies include, but are…
  • Pulse® – Service & Technical Support
    • Pulse® Service Programs
    • Pulse® Frequently Asked Questions
  • Beacon® – Energy Efficiency Plan
  • Research & Pilot FacilitiesTechnology Research Center Permit Harper help bring your side by side material innovation from spark to reality. Hundreds of companies take used our Technology Research Center for process development and process optimization as they piece of work toward commercial scale-up or with systems requiring unique process specifications. Customers can utilize numerous on site thermal systems to gather data and fine tune their processes, with a focus on varying production rates, temperature regimes, processing times, atmosphere compositions, and flow rates, resulting in savings on the investment ultimately required for new thermal processing systems. Harper has a wide variety of thermal systems that tin handle your procedure conditions. Additionally, we take the ability to make modifications to tailor the existing pilot equipment to specific client process requirements.  Our range of equipment on site includes – Batch or continuous furnaces Sizes from small kilns to big furnaces, with 3 temperature zones Furnace conditions from atmospheric to nitrogen or specialty gases, with temperatures upwardly to 2000°C Harper also provides a multifariousness of analytical services to assist you monitor and improve optimize your process. These include on-site facilities such as gas analysis (critical to ensuring compliance with ecology regulations) too as off-site facilities such as electron microscopy, thermal…
  • Innovation – Patents in activenessInnovation comes standard at Harper. With every first-of-a-kind system we provide to our customers, we apply our years of experience, breadth of expertise, and expansive toolset in thermal processing, equally demonstrated with our numerous technology patents. Learn below about just a few of the inventive solutions nosotros take patented to bring the most precisely engineered designs to the market. Ideal Dorsum-Mixed Flow – Riffle-Flights™ for Rotary Furnaces enable increased throughput by providing centric mixing for processing at a fixed average composition (continuous or batch), moderating exothermic reactions or, but, continuous in-line mixing. Superior Sealing for Rotary Tubes – Provides lowest achievable temper consumption. Seal purge rates reduced by ten-100X, ensuring purity of atmospheres and substantially improving product purity. Multi-flow Oxidation Ovens (Patent Pending) – Advanced Ovens with unique airflow distribution system with parallel, cross, and downwards airflow directions in a single oven.  Uniformity specifications come across or exceed best-in-course for each flow government. Multi-Axis Rotary Seal – Facilitates a gas-tight seal for atmospheric purity and separation, preventing interruption in product due to downtime and maintenance and helping ensure product quality. Specialized Purge Chamber – Devised for Slot Furnaces where ends are open, this pattern keeps atmospheric weather inside the furnace pure,…
  • Innovation – People in activityAt Harper, our core strength is the combined knowledge and effort of our unique and multi-talented employees, creating an accurate surround of innovation and collaboration. From engineering to accounting, marketing to manufacturing, Harper's employees are challenged to recollect differently every 24-hour interval. Beneath are some of Harper's own who are truly living our brand – passionate about the customer and pioneering new thermal technology solutions every mean solar day. "Nosotros're uncommonly responsive to customers' needs. In a moment's find, nosotros've got people going out to all parts of the world, solving issues and addressing concerns." Ronald Vacek Director of Projection Direction Larn more most Ron'due south passion – Client Support "We're in markets for new materials, and you cannot assume that you can process them with the standard methods – you have to look for new means to exercise it; y'all accept to look for the adjacent innovation." Dr. Peter Witting Primary Engineer Read about how Peter's idea turn into existent Patents "You lot tin can know how something works. But to empathize how information technology works is completely unlike. Non a lot of companies give y'all the opportunity to practice that, and Harper is one of them." Dr. Renee Bagwell Process and Engineering Engineer Acquire near what…
  • Customer TestimonialsTo be a trusted expert to our customers – this is a cadre chemical element of Harper'due south vision statement. The relationships that we form with our customers, based on conviction, collaboration, and mutual success, are what have made the states one of the earth's foremost providers of thermal processing solutions for advanced materials. Simply don't just take our word for information technology – read what real customers take to say nigh Harper… "Harper is very innovative. They have provided excellent, intuitive service, looking ahead into the futurity as to what nosotros might demand." Timothy A. Dye Engineering Managing director Toho Tenax America "Precise temperature controls, precise atmosphere controls and precise dwell times were mission critical. We knew in that location was only one company that we wanted to deal with, and that was Harper." David Kautz CEO Us Demil "The quality of the major equipment and design solutions reveal a very accurate care and a systematic approach to boost performance."   Jose Miguel Contreiras Commercial Manager / Board Member FISIPE
  • Customer Back up
• Furnace TechnologiesHarper offers a variety of thermal processing solutions for customers in avant-garde materials markets, with thousands of installations worldwide from lab scale to complete production lines. Harper'south range of feel across different techniques, procedure methodologies and applications allows us to deliver unique solutions for every customer. Our experience in developing distinctive systems for every application covers calcination, graphitization, carburization, controlled oxidation, oxide reduction, purification, pyrolysis, drying, reduction, solid-solid reaction, gas-solid reaction, metalizing, debinding, and waste matter remediation. One affair you won't see at Harper is a cookie cutter line of products that we piece of work to fit into your requirements. We specialize in first-of-a-kind solutions using our exceptional depth and latitude of knowledge. Harper's culture is one of real ingenuity and creativity – we are constantly challenging ourselves to craft the best-engineered applied science solutions for our customers' needs. Acquire more… Furnace Technologies Oxidation Oven Technologies Complete Procedure Line Solutions
  • Which Furnace is Right for Me?
  • Microwave Heated Systems
  • Rotary Tube Furnaces
    • Rotary Furnace Solutions
      • Lab Calibration Rotary Furnace
    • HC Series™ Configurable Rotary
  • Pusher Tunnel Furnaces
  • Belt Conveyor Furnaces
  • Vertical Conveyor Furnaces
  • Fluid Bed Furnaces
  • Other Furnace Technologies
  • Pre-Owned Furnaces For Sale
• Carbon Cobweb Solutions
  • Slot Furnaces
  • Oxidation OvensHarper offers avant-garde Oxidation Oven engineering to complement its industry-leading furnaces for carbon fiber processing. Our state-of-the-fine art oven designs available for tow-bands from 300mm to greater than 4000mm. Harper's designs incorporate a multitude of improvements beyond what'southward available on the market today. Some of these designs improvements include:    Superior atmospheric seals Continuous monitoring of supply, recirculation, and exhaust menses rates Improved, patent-pending nozzle blueprint Procedure based instrumentation array Quadrant construction for improved installation For the customer, these technology advancements equal faster oxidation, improved velocity uniformity and range, assurance of temperature uniformity at a variety of menses rates, and optimal control of the reaction ultimately enhancing fiber quality. These improvements come in the form of clearly stated performance guarantees. The most distinctive feature of Harper's cutting-edge design, the cease seal, reduces fugitive emissions, increases the active volume of the oven, and offers reduced free energy consumption over alternatives.  The seals have independent adjustment of the pinnacle and bottom inside and exterior slots.  Additionally, the design includes separation plates betwixt passes, so each pass sits inside its own muffle.  Each laissez passer has an independent vent with adjustable draw command and the exhaust plenum connects to a dedicated fan/VFD.  As a effect of these innovative…
  • Ultra-High Temp Furnaces (UHT)
  • Consummate Carbon Fiber Lines
  • Complete Lines – Scientific Calibration
  • Consummate Lines – Microlines®
  • Complete Lines – Pilot ScaleHarper'due south capabilities extend from thermal equipment designs for a specific unit of measurement operation through fully integrated production lines producing carbon fiber, carbon nanotubes, and metal oxides. Our expertise in both pilot and product calibration plants helps our clients' link process steps ensuring the most efficient performance. From initial fabric treatment to final product drove, working with one partner helps enable seamless and fluid plant operation. Harper is the only firm in the world who has successfully installed a fully integrated carbon fiber process line – see it for real hither. Material Handling We take on a comprehensive view of issues pertaining to fabric transport that extend beyond individual unit operations. Our expertise designing material handling, raw textile through product packaging, ensures best functionality, maximizes throughput, minimizes scrap and maintains consequent product quality. Harper offers a variety of feeding and textile handling solutions, including creel stations, winders, bulldoze stands, and material conditioning such as combs, moistener, spreader bars, bypass rollers, and centering roll systems. Pre & Post Handling and Material Conditioning Harper engineers bring a wealth of experience in pre and post-treatment and material conditioning using a diverseness of solutions. Whether traditional or emerging methods – chemical, electrochemical, plasma, or gaseous treatments –…
  • Consummate Lines – Production Calibration
• IndustriesHarper serves advanced, cutting-edge material markets with custom-engineered thermal processing systems. Our support to these emerging industries begins in early on stages of research and development, whether at corporate R&D centers, universities, regime institutions, or kickoff-ups.  Harper is a partner through the entire evolution process assisting in the scale upwardly and commercialization of advanced materials that will alter our everyday lives. Carbon Fiber began more than 40 years ago with simple small scale production plants.  Through partnerships with the leading producers and our continual innovation, current day product rates are x to 20x greater per production line.  Harper's commitment to state of the art technology provides efficient and consistent production rates at the lowest operating costs allowing our clients to become always more competitive. Together, Harper and our partners run into and exceed the needs of each new and challenging awarding. Our cumulative experience and engineering expertise allows Harper to develop the optimum thermal processing arrangement for your avant-garde material processing needs.  Harper thermal systems include gas-solid or solid-solid reactors providing calcination, graphitization, carburization, controlled oxidation, reduction, purification, pyrolysis, drying, metalizing, debinding, waste product remediation, and more than. Precise control of temperature, procedure atmosphere, material period, and residence fourth dimension ensure consistent and compatible material…
  • Carbon FiberHarper is a trusted proficient in innovative engineering science solutions for the carbonization and graphitization of a variety of fibrous and filamentary materials. Harper'southward feel spans a variety of Carbon Fiber precursors including PAN, pitch, lignin, polyethylene, and rayon in tow, nonwoven mat, or discontinuous, loose cobweb form. Since the inception of the Carbon Fiber industry, Harper has enabled manufacturer to reach newer and greater heights with custom engineered systems. Harper initially pioneered the development of commercial ultrahigh temperature (UHT) furnaces for the market in the 1970s, and now owns a worldwide reputation as a leader in delivering thermal processing solutions that meet the increasing production challenges of this growing marketplace. Harper's capabilities for the production of Carbon Fibers range from individual thermal processing units to fully integrated product lines. Our expertise in both pilot and product calibration plants helps the customer consider linking the individual process steps to ensure the line is performing at peak efficiency. From initial textile handling to final product drove, working with i partner helps enable more than seamless and fluid constitute construction and schedule. Beyond Carbon Fibers, our progressive thermal technologies are utilized to produce Carbon Nanotubes.  These nanotubes are used in combination with composite fibers/polymers…
  • PowdersHarper is trusted worldwide for thermal processing solutions for powders and granular materials, including inorganic chemicals, catalysts, phosphors and powdered metals. Our batch and continuous furnace reaction systems for these materials focus on processing materials in controlled and specialty atmospheric environments and at temperatures up to 3000°C, and can accommodate even very finely divided and/or micron and nano-sized materials. Our experience designing custom batch or continuous thermal processing systems for a variety of applications producing aluminas, carbon/graphite, silicas, titanates, tungsten, cobalt, fe, zinc, quartz, molybdenum, zirconia and more. Harper delivers innovative furnaces for these materials with a focus on processing in controlled and specialty atmospheric environments and at temperatures up to 3000°C. Harper'southward expertise covers gas-solid or solid-solid reactors providing calcination, graphitization, carburization, controlled oxidation, reduction, purification, pyrolysis, metalizing, debinding, waste remediation, and more. As every fabric is unique, every processing system's is as well. We don't shoehorn a standard line of products to fit our customers' requirements. We use our edifice blocks to evangelize first-of-a-kind solutions for the customer'due south distinctive needs in their powder production process while considering the most efficient and effective structure possible. Our focus is on precision command over temperature, purity, atmosphere, material flow and residence-time…
  • Metal OxidesAs the chemical industry expands into more complex and advanced products, Harper thermal processing systems evolve to back up the market'south escalating needs. For decades, global companies have trusted Harper as their strategic partner for furnace technologies as they bring new materials to market and scale up their processing rates. Our experience designing custom batch or continuous thermal processing systems for a variety of applications producing aluminas, carbon/graphite, silicas, titanates, tungsten, cobalt, iron, zinc, quartz, molybdenum, zirconia and more than. Harper delivers innovative furnaces for these materials with a focus on processing in controlled and specialty atmospheric environments and at temperatures up to 3000°C. Harper's expertise covers gas-solid or solid-solid reactors providing calcination, graphitization, carburization, controlled oxidation, reduction, purification, pyrolysis, metalizing, debinding, waste material remediation, and more. The design of a custom Harper system is sparked by agreement the client'southward goals and utilizing our exceptional skilled team to analyze their singled-out process requirements for that specific metal oxide. Harper works to devise a complete solution with our range of offerings including gas handling and treatment and fully integrated control systems. Learn more… Technology for Metal Oxide Processing – Rotary Furnaces Applied science for Metallic Oxide Processing – Pusher Tunnel Furnaces Technology for Metal Oxide Processing – Chugalug Conveyor…
  • Technical CeramicsHarper supports the ever-expanding avant-garde ceramics industry with innovative thermal processing solutions, as new product designs push the boundaries of existing technology and demand reduced size and weight and increased performance. Our focus is enabling our customers with furnace technologies that incorporate improved flexibility, operating efficiencies, and equipment control to aid scale up production rates successfully. Harper's experience spans a range of engineering science ceramics, with all-encompassing experience in designing for the product of silicon nitride, tungsten carbide, boron nitride and aluminas. Additionally, Harper kilns are widely used to calcine powders and sinter components such equally thermistors, varistors and monolithic and multi-layer capacitors. As the utilization of specialty ceramics continues to abound through advancing aerospace, automobile, defense, energy, and bio-medical requirements, Harper aims to help enable companies from the lab to total commercialization, helping make their innovations a reality. We tailor our batch and continuous furnace systems to each unique awarding, ideal for processing in controlled and specialty atmospheric environments and at temperatures up to 3000°C. Additionally, we can piece of work to devise a turnkey solution with our range of offerings including gas treatment and treatment and fully integrated control systems. Learn more… Engineering for Ceramics Processing – Rotary Furnaces Applied science for Ceramics Processing…
  • Rare EarthsHarper has extensive experience in processing a diverseness of materials for the Rare Earths marketplace. As Rare Earth materials go increasingly critical to the global supply chain of many new and emerging technologies, manufacturers must rely on a trusted partner like Harper to help scale up and refine their thermal processing regimes. Our solutions have been successful in meeting the exacting demands of this industry while enabling the customer towards greater competitive advantage. Our customized rotary and pusher systems for Rare Earth processing focus on indirect firing methods, a superior approach to see the specific demands for this marketplace due to delivering increased production purity and decreased free energy consumption. Procedure materials come in contact only with controlled gases and a pure metal / ceramic tube. Additionally, the temperature profile of an indirect fired furnace can exist more than accurately controlled. This yields comeback of product quality, grain size distribution (low micron sized range) and morphology of particles. Dust and particle entrainment of the bed material is as well substantially reduced in an indirect fired kiln. Learn more… Engineering science for Rare Earth Processing – Rotary Furnaces Engineering science for Rare Earth Processing – Pusher Tunnel Furnaces Scaling up your Product Process – Harper's Research Center
  • Carbon & GrapheneLike our customers, Harper is perpetually on the cutting edge of our manufacture. Both academic and industrial organizations developing advanced materials like Graphene trust the Harper name for innovative solutions to their thermal processing challenges. Graphene is an exciting new material that presents extraordinary possibilities for advancements in electronics, batteries, medical applications, and more. As the market evolves and matures, Harper is a critical partner to the manufacture, supporting the optimization of process parameters to ensure capacity and quality requirements are achieved through calibration upwardly and commercialization. At our Engineering science Enquiry Center, customers tin utilize Harper's furnace systems and expertise in their process development and procedure optimization for utilise in commercial scale-upward prior to investment in thermal processing equipment. Harper besides provides a variety of additional belittling services such every bit gas assay (disquisitional to ensuring compliance with ecology regulations) electron microscopy, XRD, BET, and other thermal and elemental assay. Learn more… Engineering science Solutions for Graphene – Rotary Furnaces
  • Energy Device MaterialsDevelopments in materials for energy storage devices, such as batteries, capacitors and super-capacitors, are progressing rapidly as cutting-edge applications demand power sources be smaller, lighter and more efficient. Harper's all-encompassing experience gives u.s. the unique ability to deliver the nearly custom, innovative thermal processing system for these materials to enable the client'south success in their manufacturing operations. Harper has designed advanced furnace systems for some of the world'south leading energy storage material companies. We focus on processing in controlled and specialty atmospheric environments and at temperatures up to 3000°C. Harper'due south expertise covers calcination, graphitization, carburization, controlled oxidation, oxide reduction, purification, pyrolysis, drying, reduction, solid-solid reaction, gas-solid reaction, metalizing, debinding, waste material remediation and more. Many companies on the cutting edge of inquiry in new energy storage materials need help in developing and fine tuning their thermal regimes. At Harper'due south Technology Research Center, customers can utilize a number of onsite furnace systems and have Harper'southward expertise at their disposal to work through their process development and process optimization. Harper also provides a diverseness of additional analytical services such as gas assay (disquisitional to ensuring compliance with environmental regulations) electron microscopy, XRD, BET, and other thermal and elemental analysis. Learn more than… Technology for…
  • Nuclear MaterialsMaterials for energy generation applications are condign more than critical as society looks towards alternative means of ability across fossil fuel-based methods. Harper has been a critical partner for thermal processing solutions for decades to companies developing new energy generation technologies, focused in the areas of nuclear power, solar energy and fuel cells. Since 1957 when we produced our first nuclear fuel sintering furnace for General Electric, Harper has become the globe's leading provider of customized systems for reacting and sintering nuclear fuels. Harper is the preferred pick offering advancements in free energy efficiency, temperature uniformity, maintenance, and safety control. Harper too offers reliable reactor systems for nuclear pellets conversion and spent fuel processing. As the development of energy generation materials continues to abound, Harper aims to enable companies from the lab to full commercialization, helping make their innovations a reality. We tailor our batch and continuous furnace systems to each unique application, platonic for processing in controlled and specialty atmospheric environments and at temperatures up to 3000°C. Additionally, we can work to devise a turnkey solution with our range of offerings including gas treatment and treatment and fully integrated command systems. Learn more… Technology for Energy Material Processing – Rotary Furnaces Technology…
• Resources HeartLearn more about Harper's all-encompassing range of capabilities and offerings. Brochures Coming soon! Publications White Newspaper – Advanced Reactor System for the Fine Control of Backdrop of Molybdenum Powder (.pdf) Case Studies Coming soon!

• Almost U.s.a.Making brilliant ideas vivid. Harper International is a global leader in complete thermal processing solutions, as well as technical services essential for the production of avant-garde materials. From concept to commercialization, from research calibration to full production line operations, Harper is perpetually on the cut border. Since our founding in 1924, we have pioneered some of the earth's most innovative, customized systems, with a focus on processing materials at loftier temperatures and in not-ambience atmospheres. Harper'southward value proposition is unequaled — decades of industry experience, a highly specialized, multi-talented group of employees, and a passion for partnership. We don't shoehorn a standard line of products to fit our customers' requirements. We specialize in first-of-a-kind solutions using our exceptional depth and breadth of noesis. Harper'southward civilisation is ane of genuine ingenuity and creativity, which ensures we are constantly challenging ourselves to craft the all-time-engineered applied science solution for our customers' unique thermal processing needs. Our Brand "Spark the Future". Harper has a unique ability to turn our customers' spark of an idea into reality. We do this through exceptional partnerships and a forward-thinking philosophy to deliver the most innovative thermal processing system possible. Our logo, tagline and accompanying imagery help to visually…
  • News and Events
  • CareersAt Harper, our cadre forcefulness is the combined knowledge and endeavor of our unique and multi-talented employees, creating an authentic environment of innovation and collaboration. From applied science to accounting, marketing to manufacturing, Harper's employees are challenged to think differently every day. This culture has enabled us to evolve into one of the world's leading providers of cutting-border thermal processing solutions for avant-garde material development. As an ESOP (employee stock ownership program) company, Harper truly puts the futurity of the business organisation in the hands of our employees, equally every employee is a part owner. Our ESOP is substantially a visitor funded retirement plan that is uniquely tailored to motivate and reward employees for meeting strategic goals and objectives. Being part of an ESOP is a distinctive opportunity to truly see the fruits of your labor equally the company achieves higher productivity and growth, and, in turn, greater employee satisfaction and compensation. Harper International believes strongly in the value of a diverse workforce.  We take made a delivery to equal employment opportunity through a positive and continuing Affirmative Action Program. We recruit, hire, train and promote without regard race, colour, religion, sex, national origin, age, inability, veteran condition or any other legally…
  • Harper HappeningsJanuary 11, 2012 Industrial Processing GlobalSpec Online Exhibitor January 24-25, 2012 ICACC Daytona Beach, FL Booth #103 February 26-March 1, 2012 MCARE Clearwater, FL Golden Sponsor November 7-9, 2012 JEC AmericasBoston, MAStand A14
  • History of HarperHarper traces its history back to John L. Harper, who patented and built the first electric kilns and furnaces in 1906 and established Harper Electrical Furnace Company in 1924. At that fourth dimension, Harper saw an opportunity with materials processing companies who operated combustion-heated furnaces that were incapable of providing the controlled atmosphere required to process advanced new materials. Adamant to discover a solution, a young engineer and an electrical company executive conceived a better heating method – an electric-resistance-heated furnace capable of meeting the stringent new process requirements. The Harper Electrical Furnace Corporation was born. Offer precise control of atmosphere and temperature, Harper furnaces quickly became a quality standard among materials processors and the forerunner of many innovations to come. Over the years, Harper has been a continued innovator of thermal processing solutions for the materials industry, including the offset furnace to process nuclear fuels in the 1940s and the beginning commercial graphite-chemical element furnace-equipment capable of operating at far higher temperatures nether precise atmospheric control. Harper was a early partner to the carbon cobweb industry, providing systems in the 1970s at its inception. Today, Harper is a trusted leader in thermal processing solutions for the growing carbon fiber market, and is the only thermal systems provider in the…
  • Industry Partnerships
  • Contact UsHarper International Corp. 100 West Drullard Ave Lancaster, NY 14086-1698 Phone: 716-684-7400 Fax: 716-684-7405 info@harperintl.com Sales Inquiries: Harper is focused on comprehensive thermal processing technologies and services for your unique needs, applying our innovative solutions for your success. To contact us directly, please complete the below information as an initial scope of your request. For customers exterior of the Us, you may contact one of our international sales offices. A representative volition be in affect shortly to discuss your requirements in more than detail. [contact-form 1 "Contact class 1"]
  • International Partners
• Capabilities & ServicesWith Harper, y'all volition discover a partner uniquely qualified to brand your thermal process challenge a success. No i else offers an end-to-end service approach with an all-encompassing range of engineering science solutions, delivered by a passionate and exceptionally skilled staff. That's why world-leading material technology companies, as well as cutting edge first-ups, depend on Harper for ingenious, start-of-a-kind systems. Harper'south philosophy is not simply to deliver comprehensive systems with the latest technologies, resulting in distinctive solutions, but also to pattern features that ensure the most efficient and effective operations. Whether it'south optimized waste gas treatment, control systems with predictive maintenance, or energy efficiency techniques, Harper always has the complete solution in listen. Of grade, proverb we're the partner for y'all doesn't get the job done — we're eager to prove it. Acquire more… Ignite™ with Harper Cheque out our patents Run into some of Harper's innovators Research Centre & Piloting facilities Customer testimonials Customer support
  • Ignite® – Process Development ProgramFrom Spark to Finish. Get to market faster and more efficiently with Harper's Ignite™ procedure. Harper enables companies in the development of advanced materials, from the lab to full commercialization, helping make their innovations a reality. Utilizing our depth and latitude of experience in thermal processing, nosotros partner with our customer to ensure success as they scale upwardly their process operations. Feasibility and Testing Optimization of process parameters is critical prior to investment in thermal processing equipment to ensure capacity and quality requirements are achieved. At our Engineering science Research Center, customers utilize Harper's systems and expertise in their process development and process optimization for use in commercial scale-upward and for those systems with unique specifications. Harper also provides a variety of boosted analytical services such every bit gas analysis (critical to ensuring compliance with environmental regulations) electron microscopy, XRD, BET, and other thermal and elemental analysis. Learn more – Enquiry Middle & Pilot Facility Technology Studies Count on our extraordinarily experienced technology staff to conduct in-depth studies to determine equipment requirements and help ascertain process parameters for optimal institute blueprint to aid with technical and business strategy and financial planning. Our vast capabilities in thermal processing engineering studies include, but are…
  • Pulse® – Service & Technical Support
    • Pulse® Service Programs
    • Pulse® Frequently Asked Questions
  • Beacon® – Energy Efficiency Program
  • Research & Pilot FacilitiesTechnology Research Center Let Harper help bring your side by side textile innovation from spark to reality. Hundreds of companies have used our Applied science Research Center for process development and process optimization as they work toward commercial scale-upward or with systems requiring unique procedure specifications. Customers tin can employ numerous on site thermal systems to get together data and fine melody their processes, with a focus on varying product rates, temperature regimes, processing times, atmosphere compositions, and menstruation rates, resulting in savings on the investment ultimately required for new thermal processing systems. Harper has a wide variety of thermal systems that can handle your process conditions. Additionally, we have the ability to make modifications to tailor the existing airplane pilot equipment to specific customer procedure requirements.  Our range of equipment on site includes – Batch or continuous furnaces Sizes from small kilns to large furnaces, with 3 temperature zones Furnace weather from atmospheric to nitrogen or specialty gases, with temperatures upwards to 2000°C Harper besides provides a variety of analytical services to help yous monitor and better optimize your process. These include on-site facilities such equally gas analysis (critical to ensuring compliance with ecology regulations) too as off-site facilities such as electron microscopy, thermal…
  • Innovation – Patents in actionInnovation comes standard at Harper. With every showtime-of-a-kind organisation nosotros provide to our customers, we employ our years of experience, latitude of expertise, and expansive toolset in thermal processing, equally demonstrated with our numerous technology patents. Learn below almost just a few of the inventive solutions we have patented to bring the most precisely engineered designs to the market place. Platonic Dorsum-Mixed Menses – Riffle-Flights™ for Rotary Furnaces enable increased throughput by providing axial mixing for processing at a fixed boilerplate composition (continuous or batch), moderating exothermic reactions or, simply, continuous in-line mixing. Superior Sealing for Rotary Tubes – Provides everyman doable temper consumption. Seal purge rates reduced by 10-100X, ensuring purity of atmospheres and essentially improving production purity. Multi-flow Oxidation Ovens (Patent Pending) – Avant-garde Ovens with unique airflow distribution organisation with parallel, cantankerous, and down airflow directions in a single oven.  Uniformity specifications meet or exceed best-in-class for each catamenia regime. Multi-Axis Rotary Seal – Facilitates a gas-tight seal for atmospheric purity and separation, preventing pause in production due to downtime and maintenance and helping ensure product quality. Specialized Purge Sleeping accommodation – Devised for Slot Furnaces where ends are open up, this design keeps atmospheric conditions inside the furnace pure,…
  • Innovation – People in activenessAt Harper, our core strength is the combined cognition and attempt of our unique and multi-talented employees, creating an authentic environment of innovation and collaboration. From applied science to bookkeeping, marketing to manufacturing, Harper'southward employees are challenged to think differently every twenty-four hour period. Below are some of Harper'south own who are truly living our brand – passionate nearly the customer and pioneering new thermal technology solutions every twenty-four hours. "We're exceptionally responsive to customers' needs. In a moment'southward notice, we've got people going out to all parts of the world, solving problems and addressing concerns." Ronald Vacek Director of Projection Management Larn more nigh Ron'due south passion – Customer Support "Nosotros're in markets for new materials, and you cannot assume that y'all can process them with the standard methods – you have to look for new ways to do it; you accept to look for the next innovation." Dr. Peter Witting Primary Engineer Read about how Peter'south thought plough into real Patents "You lot tin can know how something works. Simply to understand how it works is completely unlike. Not a lot of companies give you the opportunity to do that, and Harper is one of them." Dr. Renee Bagwell Process and Engineering science Engineer Acquire virtually what…
  • Client TestimonialsTo be a trusted expert to our customers – this is a cadre element of Harper's vision argument. The relationships that nosotros course with our customers, based on confidence, collaboration, and mutual success, are what accept made united states of america one of the world's foremost providers of thermal processing solutions for advanced materials. But don't only take our word for it – read what real customers have to say about Harper… "Harper is very innovative. They have provided excellent, intuitive service, looking ahead into the future as to what we might need." Timothy A. Dye Engineering Managing director Toho Tenax America "Precise temperature controls, precise atmosphere controls and precise dwell times were mission critical. We knew there was only ane company that nosotros wanted to bargain with, and that was Harper." David Kautz CEO United states Demil "The quality of the major equipment and design solutions reveal a very accurate care and a systematic arroyo to boost performance."   Jose Miguel Contreiras Commercial Manager / Board Member FISIPE
  • Customer Support
• Furnace TechnologiesHarper offers a variety of thermal processing solutions for customers in advanced materials markets, with thousands of installations worldwide from lab scale to consummate production lines. Harper'south range of experience beyond different techniques, process methodologies and applications allows us to deliver unique solutions for every customer. Our experience in developing distinctive systems for every application covers calcination, graphitization, carburization, controlled oxidation, oxide reduction, purification, pyrolysis, drying, reduction, solid-solid reaction, gas-solid reaction, metalizing, debinding, and waste remediation. One thing you won't run into at Harper is a cookie cutter line of products that we piece of work to fit into your requirements. We specialize in first-of-a-kind solutions using our exceptional depth and breadth of knowledge. Harper's culture is one of real ingenuity and creativity – we are constantly challenging ourselves to craft the best-engineered technology solutions for our customers' needs. Learn more than… Furnace Technologies Oxidation Oven Technologies Consummate Process Line Solutions
  • Which Furnace is Right for Me?
  • Microwave Heated Systems
  • Rotary Tube Furnaces
    • Rotary Furnace Solutions
      • Lab Scale Rotary Furnace
    • HC Serial™ Configurable Rotary
  • Pusher Tunnel Furnaces
  • Chugalug Conveyor Furnaces
  • Vertical Conveyor Furnaces
  • Fluid Bed Furnaces
  • Other Furnace Technologies
  • Pre-Endemic Furnaces For Sale
• Carbon Fiber Solutions
  • Slot Furnaces
  • Oxidation OvensHarper offers advanced Oxidation Oven technology to complement its industry-leading furnaces for carbon fiber processing. Our state-of-the-fine art oven designs bachelor for tow-bands from 300mm to greater than 4000mm. Harper's designs incorporate a multitude of improvements beyond what's available on the market today. Some of these designs improvements include:    Superior atmospheric seals Continuous monitoring of supply, recirculation, and exhaust flow rates Improved, patent-pending nozzle design Process based instrumentation array Quadrant construction for improved installation For the customer, these technology advancements equal faster oxidation, improved velocity uniformity and range, assurance of temperature uniformity at a variety of flow rates, and optimal control of the reaction ultimately enhancing fiber quality. These improvements come in the form of clearly stated operation guarantees. The most distinctive feature of Harper'due south cutting-edge design, the end seal, reduces fugitive emissions, increases the active volume of the oven, and offers reduced energy consumption over alternatives.  The seals have contained adjustment of the summit and bottom within and outside slots.  Additionally, the design includes separation plates between passes, and so each laissez passer sits within its own conceal.  Each laissez passer has an contained vent with adaptable draw control and the frazzle plenum connects to a dedicated fan/VFD.  As a issue of these innovative…
  • Ultra-High Temp Furnaces (UHT)
  • Complete Carbon Fiber Lines
  • Consummate Lines – Scientific Scale
  • Complete Lines – Microlines®
  • Consummate Lines – Airplane pilot CalibrationHarper'southward capabilities extend from thermal equipment designs for a specific unit operation through fully integrated production lines producing carbon fiber, carbon nanotubes, and metallic oxides. Our expertise in both pilot and production scale plants helps our clients' link process steps ensuring the most efficient functioning. From initial textile handling to terminal production drove, working with i partner helps enable seamless and fluid constitute operation. Harper is the simply business firm in the earth who has successfully installed a fully integrated carbon fiber procedure line – see it for real here. Material Handling Nosotros take on a comprehensive view of bug pertaining to material send that extend beyond private unit of measurement operations. Our expertise designing material handling, raw textile through product packaging, ensures best functionality, maximizes throughput, minimizes scrap and maintains consistent product quality. Harper offers a variety of feeding and material handling solutions, including creel stations, winders, drive stands, and fabric conditioning such as combs, moistener, spreader confined, bypass rollers, and centering coil systems. Pre & Post Treatment and Material Conditioning Harper engineers bring a wealth of feel in pre and post-treatment and fabric conditioning using a variety of solutions. Whether traditional or emerging methods – chemical, electrochemical, plasma, or gaseous treatments –…
  • Complete Lines – Production Scale
• IndustriesHarper serves advanced, cutting-edge material markets with custom-engineered thermal processing systems. Our support to these emerging industries begins in early on stages of research and evolution, whether at corporate R&D centers, universities, government institutions, or get-go-ups.  Harper is a partner through the entire development process profitable in the scale upwardly and commercialization of advanced materials that will change our everyday lives. Carbon Cobweb began more than than 40 years agone with elementary small scale production plants.  Through partnerships with the leading producers and our continual innovation, current day production rates are 10 to 20x greater per production line.  Harper's delivery to land of the art applied science provides efficient and consistent production rates at the lowest operating costs assuasive our clients to become ever more competitive. Together, Harper and our partners meet and exceed the needs of each new and challenging application. Our cumulative experience and engineering expertise allows Harper to develop the optimum thermal processing system for your advanced cloth processing needs.  Harper thermal systems include gas-solid or solid-solid reactors providing calcination, graphitization, carburization, controlled oxidation, reduction, purification, pyrolysis, drying, metalizing, debinding, waste remediation, and more than. Precise control of temperature, process atmosphere, material catamenia, and residence time ensure consistent and uniform material…
  • Carbon FiberHarper is a trusted expert in innovative engineering science solutions for the carbonization and graphitization of a diversity of fibrous and filamentary materials. Harper's experience spans a variety of Carbon Cobweb precursors including PAN, pitch, lignin, polyethylene, and rayon in tow, nonwoven mat, or discontinuous, loose fiber form. Since the inception of the Carbon Fiber manufacture, Harper has enabled manufacturer to achieve newer and greater heights with custom engineered systems. Harper initially pioneered the evolution of commercial ultrahigh temperature (UHT) furnaces for the market in the 1970s, and at present owns a worldwide reputation equally a leader in delivering thermal processing solutions that come across the increasing production challenges of this growing marketplace. Harper's capabilities for the product of Carbon Fibers range from individual thermal processing units to fully integrated production lines. Our expertise in both pilot and production calibration plants helps the customer consider linking the individual procedure steps to ensure the line is performing at peak efficiency. From initial cloth handling to final product collection, working with one partner helps enable more seamless and fluid found construction and schedule. Beyond Carbon Fibers, our progressive thermal technologies are utilized to produce Carbon Nanotubes.  These nanotubes are used in combination with composite fibers/polymers…
  • PowdersHarper is trusted worldwide for thermal processing solutions for powders and granular materials, including inorganic chemicals, catalysts, phosphors and powdered metals. Our batch and continuous furnace reaction systems for these materials focus on processing materials in controlled and specialty atmospheric environments and at temperatures upwards to 3000°C, and tin can accommodate even very finely divided and/or micron and nano-sized materials. Our feel designing custom batch or continuous thermal processing systems for a diversity of applications producing aluminas, carbon/graphite, silicas, titanates, tungsten, cobalt, iron, zinc, quartz, molybdenum, zirconia and more than. Harper delivers innovative furnaces for these materials with a focus on processing in controlled and specialty atmospheric environments and at temperatures upward to 3000°C. Harper'southward expertise covers gas-solid or solid-solid reactors providing calcination, graphitization, carburization, controlled oxidation, reduction, purification, pyrolysis, metalizing, debinding, waste matter remediation, and more. Every bit every material is unique, every processing system's is also. We don't shoehorn a standard line of products to fit our customers' requirements. We utilise our building blocks to deliver first-of-a-kind solutions for the client's distinctive needs in their pulverization production procedure while considering the most efficient and effective construction possible. Our focus is on precision command over temperature, purity, temper, material flow and residence-time…
  • Metal OxidesAs the chemical manufacture expands into more complex and advanced products, Harper thermal processing systems evolve to support the market'due south escalating needs. For decades, global companies have trusted Harper as their strategic partner for furnace technologies as they bring new materials to market and calibration up their processing rates. Our feel designing custom batch or continuous thermal processing systems for a variety of applications producing aluminas, carbon/graphite, silicas, titanates, tungsten, cobalt, iron, zinc, quartz, molybdenum, zirconia and more. Harper delivers innovative furnaces for these materials with a focus on processing in controlled and specialty atmospheric environments and at temperatures up to 3000°C. Harper'south expertise covers gas-solid or solid-solid reactors providing calcination, graphitization, carburization, controlled oxidation, reduction, purification, pyrolysis, metalizing, debinding, waste remediation, and more. The design of a custom Harper system is sparked by agreement the customer's goals and utilizing our infrequent skilled squad to analyze their distinct process requirements for that specific metal oxide. Harper works to devise a complete solution with our range of offerings including gas treatment and handling and fully integrated control systems. Larn more… Applied science for Metallic Oxide Processing – Rotary Furnaces Engineering for Metal Oxide Processing – Pusher Tunnel Furnaces Technology for Metal Oxide Processing – Belt Conveyor…
  • Technical CeramicsHarper supports the ever-expanding advanced ceramics industry with innovative thermal processing solutions, equally new product designs push button the boundaries of existing technology and demand reduced size and weight and increased performance. Our focus is enabling our customers with furnace technologies that contain improved flexibility, operating efficiencies, and equipment control to assistance scale upwardly production rates successfully. Harper's feel spans a range of engineering ceramics, with extensive feel in designing for the production of silicon nitride, tungsten carbide, boron nitride and aluminas. Additionally, Harper kilns are widely used to calcine powders and sinter components such as thermistors, varistors and monolithic and multi-layer capacitors. As the utilization of specialty ceramics continues to grow through advancing aerospace, car, defense, energy, and bio-medical requirements, Harper aims to assist enable companies from the lab to full commercialization, helping make their innovations a reality. We tailor our batch and continuous furnace systems to each unique application, ideal for processing in controlled and specialty atmospheric environments and at temperatures upwardly to 3000°C. Additionally, nosotros can piece of work to devise a turnkey solution with our range of offerings including gas treatment and handling and fully integrated control systems. Learn more… Technology for Ceramics Processing – Rotary Furnaces Technology for Ceramics Processing…
  • Rare EarthsHarper has all-encompassing experience in processing a variety of materials for the Rare Earths market. As Rare Globe materials become increasingly critical to the global supply chain of many new and emerging technologies, manufacturers must rely on a trusted partner like Harper to help calibration upward and refine their thermal processing regimes. Our solutions have been successful in meeting the exacting demands of this industry while enabling the client towards greater competitive advantage. Our customized rotary and pusher systems for Rare Earth processing focus on indirect firing methods, a superior approach to meet the specific demands for this market due to delivering increased product purity and decreased energy consumption. Process materials come in contact only with controlled gases and a pure metal / ceramic tube. Additionally, the temperature profile of an indirect fired furnace tin can exist more accurately controlled. This yields improvement of product quality, grain size distribution (depression micron sized range) and morphology of particles. Dust and particle entrainment of the bed fabric is also essentially reduced in an indirect fired kiln. Learn more… Technology for Rare World Processing – Rotary Furnaces Technology for Rare Earth Processing – Pusher Tunnel Furnaces Scaling upwardly your Production Process – Harper's Research Centre
  • Carbon & GrapheneLike our customers, Harper is perpetually on the cutting edge of our industry. Both bookish and industrial organizations developing advanced materials like Graphene trust the Harper name for innovative solutions to their thermal processing challenges. Graphene is an heady new fabric that presents extraordinary possibilities for advancements in electronics, batteries, medical applications, and more. As the market evolves and matures, Harper is a critical partner to the industry, supporting the optimization of procedure parameters to ensure chapters and quality requirements are achieved through scale up and commercialization. At our Technology Research Heart, customers can employ Harper's furnace systems and expertise in their process development and process optimization for utilize in commercial scale-upwards prior to investment in thermal processing equipment. Harper too provides a variety of additional belittling services such as gas analysis (disquisitional to ensuring compliance with environmental regulations) electron microscopy, XRD, BET, and other thermal and elemental assay. Learn more… Technology Solutions for Graphene – Rotary Furnaces
  • Free energy Device MaterialsDevelopments in materials for free energy storage devices, such every bit batteries, capacitors and super-capacitors, are progressing quickly as cut-edge applications need power sources be smaller, lighter and more efficient. Harper's extensive experience gives us the unique ability to evangelize the most custom, innovative thermal processing organization for these materials to enable the customer'south success in their manufacturing operations. Harper has designed advanced furnace systems for some of the globe's leading energy storage fabric companies. We focus on processing in controlled and specialty atmospheric environments and at temperatures up to 3000°C. Harper's expertise covers calcination, graphitization, carburization, controlled oxidation, oxide reduction, purification, pyrolysis, drying, reduction, solid-solid reaction, gas-solid reaction, metalizing, debinding, waste matter remediation and more. Many companies on the cutting border of research in new energy storage materials need assistance in developing and fine tuning their thermal regimes. At Harper'south Technology Research Center, customers can apply a number of onsite furnace systems and accept Harper's expertise at their disposal to piece of work through their process development and process optimization. Harper also provides a diverseness of additional analytical services such every bit gas analysis (critical to ensuring compliance with ecology regulations) electron microscopy, XRD, BET, and other thermal and elemental analysis. Acquire more… Technology for…
  • Nuclear MaterialsMaterials for energy generation applications are becoming more critical equally society looks towards alternative ways of power across fossil fuel-based methods. Harper has been a critical partner for thermal processing solutions for decades to companies developing new energy generation technologies, focused in the areas of nuclear power, solar energy and fuel cells. Since 1957 when nosotros produced our first nuclear fuel sintering furnace for General Electric, Harper has become the world'southward leading provider of customized systems for reacting and sintering nuclear fuels. Harper is the preferred choice offering advancements in free energy efficiency, temperature uniformity, maintenance, and safety control. Harper also offers reliable reactor systems for nuclear pellets conversion and spent fuel processing. As the development of energy generation materials continues to grow, Harper aims to enable companies from the lab to full commercialization, helping brand their innovations a reality. We tailor our batch and continuous furnace systems to each unique application, ideal for processing in controlled and specialty atmospheric environments and at temperatures up to 3000°C. Additionally, nosotros can work to devise a turnkey solution with our range of offerings including gas treatment and handling and fully integrated command systems. Learn more… Technology for Energy Material Processing – Rotary Furnaces Technology…
• Resource CenterLearn more than most Harper'southward all-encompassing range of capabilities and offerings. Brochures Coming soon! Publications White Paper – Avant-garde Reactor System for the Fine Command of Properties of Molybdenum Powder (.pdf) Case Studies Coming soon!

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WELCOME TO HARPER INTERNATIONAL

Harper International is a global leader in complete thermal processing solutions and technical services essential for the production of advanced materials. From concept to commercialization, from enquiry calibration to full production line operations, Harper is perpetually on the cutting edge.

For decades, we have pioneered some of the world's most innovative, customized furnace, kiln and oven systems, with a focus on processing materials at high temperatures and in not-ambient atmospheres.

In Memory of Peter Witting, PhD – read more

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