... a kind of good sealed material. It is made of pure Teflon distribution resin, through layering and high 1. Feature: ... a kind of good sealed material. It is made of pure Teflon distribution resin, through layering and high temperature stretch, and ... -> We are a Professional PTFE manufacturer.-> We specialize in PTFE which include sheet, bar, tube, tape, film, gasket, braided packing and all special ...