... 0.5mm 3.length 10000m 4.wooden cast package PTFE film Polytetrafluoroethylene [PTFE, F4] is one of the best corrosion resistance ... resistance to chemical corrosion, acids, alkalis, strong oxidants such as resistance, outstanding resistance to heat, cold and abrasion resistance, ... Tianjin City, mainly produces hydraulic and rubber products, such as hydraulic hoses, seal parts, high pressure oil pipes, ...