PTFE foam is the use of low boiling point organic matter mixed with PTFE resin by molding drying sintering molding. It is suitable for filtering, high purity and strong corrosive gas liquid medium, gas plug, gasket, medium and low pressure sealing element on storage battery, boiler wave tube preheater, sealing ring and military microwave high-power radome, as well as network radar antenna, etc.
PTFE filled modified products are made of PTFE suspension resin and a certain amount of modified filler after high-speed mixing and molding by high-temperature sintering. After modification of PTFE, other excellent properties remain unchanged, greatly improving its poor mechanical properties (such as: compressive strength, hardness) and not wear-resistant, easy cold flow performance. Commonly used modified fillers include carbon fiber, graphite, molybdenum disulfide, glass fiber, bronze powder, high molecular polymer, etc.
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