... woven fabrics, coated on both sides and stitched with Kevlar.No itch to skin, impermeable and light weight, totally asbestos-free. ... fire blankets are made from fiber glass woven fabrics, and are able to withstand temperature up to 5500C. Totally ... free. The blankets are well suited for welding, grinding spark and spatter protection for industries, gas station, warehouse, building ground. Roll ...