It is made of asbestos-free, texturized fiberglass yarns and then impregantes with vermiculite on both sides; Vermiculite is a natural mineral which provides a natural inorganic finish to fiberglass. This coating provides temperature resistance up to 1382°F /750°C, the coating also increases the products’ abrasion resistance and adds to its ability to withstand direct flame, it also provide a dust suppression coating which allows for a safer work environment. Mainly used as Welding blankets, fire blanket, fire proof curtains, heat shields, etc