Form: This specification covers one type of wire-reinforced asbestos fabric impregnated with polytetrafluoroethylene resin in the form of woven sheet or strip and braided tubing or strip. Application: Primarily as an anti-chafing cushion between metal tubes and tube clips operating in service up to 260 ??(500??. WARNING: Numerous scientific studies have determined that asbestos presents a health hazard to those who are exposed to asbestos-containing products.