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FEP Resin Tube Application

FEP Resin Tube Application

Introduction of FEP Resin Tube Application DS610 FEP Resin DS610 Processable fluoropolymer FEP has excellent heat resistance, low friction, non-viscosity and lubricity, chemical corrosion resistance, thermal stability and electrical insulation, plus melting processing, so it is widely used and...

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Product Details

Product Description

FEP has excellent heat resistance, low friction, non-viscosity and lubricity, chemical corrosion resistance, thermal stability and electrical insulation, plus melting processing, so it is widely used and easy to manufacture. In the copolymerization of hexafluoroethylene and hexafluoropropylene, the reactivity of hexafluoropropylene is much smaller than that of tetrafluoroethylene. The copolymerization composition of perfluoroethylene propylene can be determined by IR and NMR spectra. Generally speaking, the crystallinity of perfluoroethylene propylene is only about 50%. The crystalline morphology was observed by electron microscope. The crystallization of perfluoroethylene propylene was spherulite structure, and the spherulite was formed by the agglomeration of sheet crystal. The reaction formula is shown in figure


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Quality Specification

Item

Unit


DS610

 

A

B

Appearance

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

Melting Index

g/10min

4.1-8

8.1-12

Tensile strength≥

Mpa

21

Elongation at break ≥

%

300

Relative Gravity

 

2.14---2.17

Melting point

°C

265±10

Dielectric constant

2.15

Dissipation Factor

7.0x10

Volatile,≤

%

0.1

Heat stress Cracking Resistance

---


In terms of corrosion resistance, FEP is the only other readily available fluoropolymer that can match PTFE's own resistance to caustic agents, as it is a pure carbon-fluorine structure and fully fluorinated.Useful comparison tables of PTFE against FEP, perfluoroalkoxy (PFA) and ethylene tetrafluoroethylene (ETFE) can be found on DuPont's website, listing the mechanical, thermal, chemical, electrical and vapour properties of each, side by side.

Thermally, FEP stands out from PTFE and PFA by having a melting point of 260 °C (500 °F), around forty degrees lower than PFA and lower again than PTFE.

Electrically, PTFE, FEP and PFA have identical dielectric constants, but FEP's dielectric strength is only surpassed by PFA. However, while PFA has a similar dissipation factor to PTFE, FEP's dissipation is around six times that of PFA and EFTE (making it a more non-linear conductor of electrostatic fields).

Mechanically, FEP is slightly more flexible than PTFE. Perhaps surprisingly, it does not withstand repetitive folding as well as PTFE. It also features a higher coefficient of dynamic friction, is softer and has a slightly lower tensile strength than PTFE and PFA.

A noteworthy property of FEP is that it is vastly superior to PTFE in some coating applications involving exposure to detergents.

Ethylene tetrafluoroethylene (ETFE), in many ways, can be thought of as belonging to a different group, as it is essentially a high strength engineering version of the others featuring what are likely to be considered slightly diminished properties in the other fields when compared with PTFE, FEP and PFA.


Main Applications of FEP Resin Tube Application DS610:

FEP Resin DS610: Extrusion processed for generic type resin,mainly used for wire insulation layer,tubes,film and so on.

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Attention:

The processing temperature should be not exceed 420°C,to prevent toxic gas from releasing.

[Fluoro-plastic Information Package]

Useful comparison tables of PTFE against FEP, perfluoroalkoxy (PFA) and ethylene tetrafluoroethylene (ETFE) can be found on DuPont's website, listing the mechanical, thermal, chemical, electrical and vapour properties of each, side by side.

In terms of corrosion resistance, FEP is the only other readily available fluoropolymer that can match PTFE's own resistance to caustic agents, as it is a pure carbon-fluorine structure and fully fluorinated.

Thermally, FEP stands out from PTFE and PFA by having a melting point of 260 °C (500 °F), around forty degrees lower than PFA and lower again than PTFE.

Electrically, PTFE, FEP and PFA have identical dielectric constants, but FEP's dielectric strength is only surpassed by PFA. However, while PFA has a similar dissipation factor to PTFE, FEP's dissipation is around six times that of PFA and EFTE (making it a more non-linear conductor of electrostatic fields).

Mechanically, FEP is slightly more flexible than PTFE. Perhaps surprisingly, it does not withstand repetitive folding as well as PTFE. It also features a higher coefficient of dynamic friction, is softer and has a slightly lower tensile strength than PTFE and PFA.

A noteworthy property of FEP is that it is vastly superior to PTFE in some coating applications involving exposure to detergents.

Ethylene tetrafluoroethylene (ETFE), in many ways, can be thought of as belonging to a different group, as it is essentially a high strength engineering version of the others featuring what are likely to be considered slightly diminished properties in the other fields when compared with PTFE, FEP and PFA.

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