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The difference between PTFE, PFA, FEP, ETFE

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The difference between PTFE, PFA, FEP, ETFE

  • Categories:Industry news
  • Author:Miss Teflon tube
  • Origin:Miss Teflon tube
  • Time of issue:2019-04-22 09:40
  • Views:

The difference between PTFE, PFA, FEP, ETFE

  • Categories:Industry news
  • Author:Miss Teflon tube
  • Origin:Miss Teflon tube
  • Time of issue:2019-04-22 09:40
  • Views:

  The difference between PTFE, PFA, FEP, ETFE

  PTFE polytetrafluoroethylene (also called PTEF), PFA tetrafluoroethylene and perfluoroalkoxy vinyl ether copolymer (also called: perfluoroalkylate), FEP fluorinated ethylene propylene copolymer (also called F46, It is a copolymer of tetrafluoroethylene and hexafluoropropylene), a copolymer of ETFE ethylene and tetrafluoroethylene (commonly known as polyvinyl fluoride). Heat resistance from large to small is PTFE above 260℃; PFA 260℃; FEP 200℃; ETFE 150℃

  Teflon is divided into several basic types: PTFE, FEP, PFA, ETFE:

  Teflon PTFE: PTFE (polytetrafluoroethylene) non-stick coating can be used continuously at 260°C, with a maximum use temperature of 290-300°C, extremely low friction coefficient, good wear resistance and excellent chemical stability.

  Teflon FEP: FEP (fluorinated ethylene propylene copolymer) non-stick coating melts and flows to form a non-porous film during baking. It has excellent chemical stability and excellent non-stick characteristics. The maximum use temperature is 200 ℃

  Teflon PFA: PFA (perfluoroalkyl compound) non-stick coating melts and flows during baking to form a non-porous film like FEP. The advantage of PFA is that it has a higher continuous use temperature of 260°C, stronger stiffness and toughness, and is especially suitable for anti-sticking and chemical resistance applications under high temperature conditions.

  Teflon ETFE: ETFE is a copolymer of ethylene and tetrafluoroethylene. This resin is the toughest fluoropolymer. It can form a highly durable coating with excellent chemical resistance and can be used at 150°C. Work continuously.

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