CeraTex 3170 Ceramic Fiber Paper is an alumino-silicate ceramic fiber based non-woven fabric. It is manufactured through a special paper-making process with high purity washed fibers, suitable for high temperature insulation up to 2300°F. CeraTex 3170 features with low thermal conductivity, excellent corrosion resistance, heat and flame resistance, light weight, good flexibility and handling strength. The material is easy to die-cut or hand cut into custom shaped parts. (Product Safety Info: Ceramic fiber may cause itching and irritation to skin and eyes by contact. If excessive ceramic fiber dust is inhaled, it may cause irritation and health issue to respiratory tract. For more information check Product Safety Label included with the product, or contact the seller)