FEP Resin Thermoplastic Process

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Last update: 2018-07-31 10:31
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The Introduction of FEP Resin Thermoplastic process DS601

Composition and structure of polyperfluoroethylene propylene (FEP Resin) Perfluorinated ethylene propylene (F46) is a copolymer of tetrafluoroethylene and hexafluoropropylene. The content of hexafluoropropylene is about 18%, and it is polytetrafluoroethylene. Modified materials of Polytetrafluoroethylene; PTFE. FEP, like PTFE, is a completely fluorinated structure, except that some of the fluorine atoms in the FEP main chain are replaced by trifluoromethyl-CF3),

as shown in Fig


The crystalline structure of FEP is between 30 and 555.The crystalline structure of FEP is not sensitive to the forming conditions, especially to the cooling rate. At the processing temperature, the real flowing melt can be obtained. Therefore, the low-temperature stable structure of its products is generally no porosity. FEP is shown in figure


Quality Specification

Item

Unit


DS601

Appearance

Translucent particles,without impurities such as metal debris and sand,containing visible black particles percentage point less than 2%

Melting Index

g/10min

2.1-4

Tensile strength≥

Mpa

25

Elongation at break ≥

%

320

Relative Gravity

2.15---2.17

Melting point

°C

265±10

Dielectric constant

2.15

Dissipation Factor

7.0x10

Volatile,≤

%

0.1

Heat stress Cracking Resistance

Crackless


Main Applications

FEP Resin DS601:Hear stress cracking resistant plastics,mainly for wire insulation layer,thin-walled tube.

FEP Resin DS602: The low melting index resin and heat stress cracking resistant moulding plastic,used for stress cracking resistant requiring and low or medium speed processing,mainly for heat shrinkable tubes,pumps,valves,piping and lining,wire insulation layer.

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