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Perfluoroethylene propylene

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  • Perfluoroethylene propylene
  • Perfluoroethylene propylene
  • Perfluoroethylene propylene

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Perfluoroethylene propylene
CAS No.: 25067-11-2
Molecular Formula: (C₂F₄)ₘ(C₃F₆)ₙ。‌‌
Molecular weight: 200,000–600,000 g/mol
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PRODUCT DESCRIPTION

Perfluoroethylene propylene (FEP, also known as F46, is a copolymer of tetrafluoroethylene (TFE) and approximately 15% hexafluoropropylene (HFP). It is a thermoplastic fluoroplastic that combines the chemical inertness, temperature resistance, and electrical insulation properties of polytetrafluoroethylene (PTFE) with melt-processable thermoplasticity.


Common NameFluorinated Ethylene Propylene Copolymer (FEP)
AliasPerfluoro(ethylene-propylene) Copolymer, Tetrafluoroethylene-Hexafluoropropylene Copolymer, F46, FEP
English NameFluorinated Ethylene Propylene Copolymer (FEP)
Molecular Formula(C₂F₄)ₙ·(C₃F₆)ₘ
CAS Registry Number25067-11-2
Chemical StructureRandom copolymer of Tetrafluoroethylene (TFE) and Hexafluoropropylene (HFP), with a perfluorocarbon main chain and trifluoromethyl (-CF₃) side chains
Regular Product FormsMilky white translucent granules, white powder, transparent/translucent films, pipes, rods, etc.
Core PropertiesCombines the corrosion resistance, insulation, and non-stick properties of Polytetrafluoroethylene (PTFE), while also having thermoplasticity for melt processing; it is a perfluorinated material that can be processed by injection molding, extrusion, and blow molding


Melting Point255~265 ℃ASTM D2116, GB/T 4608, DSC Method
Glass Transition Temperature (Tg)~-85 ℃DSC Method
Heat Deflection Temperature (HDT)~50 ℃ASTM D648, 0.45MPa Load
Long-term Continuous Service Temperature-85~200 ℃Can be used stably for a long time at 200℃, and can withstand -200℃ at low temperature
Instantaneous Peak Temperature Resistance230 ℃Maximum temperature that can be withstood for a short time
Brittleness Temperature≤-90 ℃ASTM D746, GB/T 5470
Thermal Decomposition Temperature≥400 ℃Under nitrogen atmosphere, Thermogravimetric Analysis (TGA), 1% weight loss temperature
Linear Expansion Coefficient8.0~10.0 ×10⁻⁵ /℃ASTM D696, GB/T 1036, -50~200℃
Thermal Conductivity0.20~0.25 W/(m·K)ASTM C177, GB/T 10294, 25℃
Melting Point255~265 ℃ASTM D2116, GB/T 4608, DSC Method
Glass Transition Temperature (Tg)~-85 ℃DSC Method
Heat Deflection Temperature (HDT)~50 ℃ASTM D648, 0.45MPa Load
Long-term Continuous Service Temperature-85~200 ℃Can be used stably for a long time at 200℃, and can withstand -200℃ at low temperature
Instantaneous Peak Temperature Resistance230 ℃Maximum temperature that can be withstood for a short time
Brittleness Temperature≤-90 ℃ASTM D746, GB/T 5470
Thermal Decomposition Temperature≥400 ℃Under nitrogen atmosphere, Thermogravimetric Analysis (TGA), 1% weight loss temperature
Linear Expansion Coefficient8.0~10.0 ×10⁻⁵ /℃ASTM D696, GB/T 1036, -50~200℃
Thermal Conductivity0.20~0.25 W/(m·K)ASTM C177, GB/T 10294, 25℃

Product Usage

Used for making linings for pipes and chemical equipment, surface layers for rollers, and various wires and cables, such as aircraft hook lines, booster cables, alarm cables, flat cables, and oil well logging cables.


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Q:What about your price? 
A:Our price is very competitive because we are a factory. Feel free to contact us if you are interested in our products. 

Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase. 

Q:Does the product have quality inspection before loading? 
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we
accept the third party inspection absolutely. 

Q:How about the delivery time? 
A:Within 3-15 days after we confirm you requirement. 

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A:T/T, L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me. 

Q: Do you provide samples? 
A:Yes,we could offer the sample for you to test but please pay freight fee.

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