The International Fiber Journal recently published an overview of Zoltek’s OPAN product line, Pyron.

Pyron Takes the Heat: an Overview of Zoltek’s OPAN Product Line

Pyron® fiber is an oxidized polyacrylonitrile (OPAN)  carbon fiber and the premier price/performance choice for fire and heat resistant applications. Zoltek has been producing  OPAN fiber for over 20 years, and is the world’s leading OPAN producer. Pyron fiber is designed for cost-effective, flame and heat resistant solutions for the textile, industrial, aircraft and automotive markets.