It is made from high SiO2 content fiberglass cloth with specially formulated acid treatment. it is suitable for continuous use at 1652°F/900°C, and able to withstand short term exposure up to 2192°F/1200°C. It is an ecomomic choice than hisilica fiber cloth which is suitable for continuous use at 2012°F/1100°C. Additional polyurethane coating, silicone coating and vermiculite coating will enhance the fabrics unmatched abrasion resistance and tensile strength.This product is ideal for heat preservation material, firefighting equipment like fire curtains and fireproof garments. Very good in dust collection and filtration equipment where special material is needed to withstand high temperature gas, and in filtering high-temperature liquid metal.