Harper delivers innovative rotary furnaces for powdered materials, with a focus on processing in controlled and specialty atmospheric environments and at temperatures up to 3000°C. Rotary furnace design offers significant advantages of throughput and energy efficiency over other forms of continuous, high temperature equipment. (read more)
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. (read more)
Our patented vertical conveyor furnace allows for maximum product uniformity and minimal sticking during high temperature phase change processes. (read more)
Another industry first from Harper!
No matter the material or process, Harper steps up to the plate to solve the problem! Check out Harper’s success in supporting US Demil’s process to demilitarize the US Army’s mountains of excess, obsolete and unserviceable munitions. (read more)
Harper offers advanced Oxidation Oven technology to complement its industry-leading furnaces for carbon fiber processing. Our state-of-the-art oven designs available 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. (read more)
Harper's pusher plate and tunnel kilns are designed for processes requiring precise control of temperature and atmosphere, ideal for those with longer residence times that require exact control of the heat up rate of the product (temperature profile) and lower gas/solid reaction. (read more)
Providing one-stop solutions for the design, fabrication and setup of complete processing lines, Harper International is ready to take your operation to the next level. Our advanced technologies and experienced customer support will create a seamless environment for your operation. (read more)