Polytetrafluoroethylene is used for anticorrosion and sealing. Today, it introduces the third type of load-bearing type, which is mostly used for roller protection, various rods, tubes, plate films, belts, ropes, packing, gaskets, and graphite, molybdenum disulfide, aluminum oxide, glass fiber and carbon fiber as fillers, To improve the mechanical properties of pure polytetrafluoroethylene. Can be roughly divided into the following categories: anti-corrosion class; sealing class; load-bearing class; insulation class; anti adhesion class; temperature resistance class; other medical class
3、 Load bearing class
1. Filled polytetrafluoroethylene bearing, used in food, chemical, papermaking, textile machinery;
2. Porous copper impregnated fluoroplastic metal bearing can be used under high temperature, high pressure, dry friction and vacuum conditions;
The bearing is made of polytetrafluoroethylene fiber or other low-speed bearing materials;
4. Fill PTFE piston ring, guide ring, machine tool guide rail and Bridge slide block;
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