The mechanical properties of pure polytetrafluoroethylene (PTFE) can be improved by using graphite, molybdenum disulfide, aluminum oxide, glass fiber and carbon fiber as fillers. The mechanical properties of PTFE can be roughly divided into the following categories: anti-corrosion; sealing; loading; insulation; anti adhesion; temperature resistance; other medical types
Ⅱ、 Sealing class
1. Static seal: sandwich gasket; setting belt; elastic sealing belt;
2. Dynamic seal (packing and ring seal): V-type sealing body - used for shaft, piston rod and valve; inner seal of turbine pump; compound sealing ring of PTFE and rubber; mechanical seal with bellows.
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