PTFE coating is divided into several basic types of PTFE, FEP, PFA, ETFE:
PTFE：PTFE (polytetrafluoroethylene) non-stick coating can be used in 260 ℃, maximum operating temperature is 290-300 ℃, low friction coefficient, good abrasion resistance and excellent chemical stability.
FEP：FEP (fluorinated ethylene propylene copolymer) non-stick coating melt flow form non-porous membrane when baking, has excellent chemical stability, excellent non-stick properties.
PFA：PFA (fluorine alkylate) non-stick coating and FEP melt flow form non-porous membrane during baking.PFA has the advantage of continuous temperature 260 ℃, has higher stronger toughness, especially suitable for use under the condition of high temperature resistant glue and chemical resistance field.
ETFE：ETFE is an ethylene copolymer about ethylene and tetrafluoroethylene, the resin is the most tough fluorine polymer, can form a layer of highly durable coating has excellent chemical resistance, and can work continuously under 150 ℃.
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Application analysis of PTFE coating.pdf