PTFE (polytetrafluoroethylene) is a highly crystalline polymer polymerized with tetrafluoroethylene as a monomer.
It is a white waxy thermoplastic similar to polyethylene (PE).
PTFE low-resistance filter membrane is mainly made by mechanical stretching of PTFE material.
PTFE low-resistance filter membrane has excellent high temperature resistance and low temperature resistance. The melting point is 327 degrees Celsius and the decomposition temperature is 415 degrees Celsius. It can be used for a long time in the range of 200 to 260 degrees Celsius.
But a major disadvantage of PTFE is its immobility at high temperatures F.
It will not change from a high elastic state to a viscous flow state when it is above the melting point, and will not flow even if it is heated to the decomposition temperature, which makes it impossible to adopt the molding method of general thermoplastic materials.
Widely used in petrochemical, machinery, electronics, electrical appliances, construction, textile and many other fields.
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