... fabric or pure PTFE film,both of which are coated with imported PTFE.It is a high performance, multi-use ... papermaking, food, environmental protection, printing&dyeing, apparel, chemicals, glass, pharmaceuticals, electronics, insulation, grinding wheel, machinery and other fields. A roll of ... corrosion property(by this advantage,it can be used for dyeing)2. Good anti-stick property on surface (by this ...