Harper is the industry standard choice in continuous furnace technologies for the Carbon Fiber industry. Our involvement in Carbon Fiber began at the market’s inception in the 1970s, and since then we have been helping fiber manufacturers achieve new and ever greater heights with our continual evolution of design innovations.

Harper tailors each design to the customer’s requirements, considering the best possible solution for your needs in terms of element and muffle design, materials platform, and atmospheric considerations to avoid plasma generation for the desired line rates and tow sizes. Our experiences spans a variety of precursors including PAN, pitch, lignin, polyethylene, and rayon in tow, nonwoven mat, or discontinuous, loose fiber form. We also have the unique capability to offer true complete soluytions with thoughtful gas treatment and handling systems and integrated control systems. Additionally, Harper is one of few in the market who push the boundaries of technology in offering Ultra High Temperature furnace rated to 3000°C.