High Silica Cloth is woven by 96% pure Si02 silica fier yarn, it is suitable for continuous use at 2000'F (1100'c), and able to withstand short termexposure up to 3000'F(1650'C). Hisilica84 sets the standard forflexibility and low lineal shrinkage under high heat conditions. Additional polyurethane coatingn resistance and tensile strength.or vermiculite coating will enhance the fabrics unmatched abrasion resistance and tensile strength. Available in 240gsm, 400gsm, 600gsm, 1100gsm, 1220gsm, 1350gsm.