PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
A brief understanding of the feep tube
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Industry dynamics
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Release time:
2022-03-11
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The full name of fep is translated as fluorinated ethylene propylene copolymer. Fep is a copolymer of tetrafluoroethylene and hexafluoropropylene. The Fep crystal has a melting point of 304°C and a density of 2.15g/cc (grams per cubic centimeter). Fep can be used in soft plastics, its tensile strength, wear resistance, creep resistance is lower than many engineering plastics. Let's take a look at the feptube.
1. performance and parameters
volume resistance> 1018 Ωm, surface resistance> 1013 Ω, arc resistance> 165 seconds, no leakage; Low dynamic friction coefficient: 0.2-0.3; The fep tube is not sticky, and the contact angle θ of water and oil water is 114. Non-combustible, non-combustible in air (oxygen index> 95VOL%), shrinkage rate 1.7:1.
2.FEPtube features
1, high and low temperature resistance: working temperature -200 ℃ ~ 200 ℃, the strength is twice that of F4.
2. Non-stick, water and oil, no scaling inside and outside the pipe wall, no flow, low friction coefficient;
3, electrical reliability, low dielectric constant (insulation), high insulation 601HZ-60MH high and low temperature dielectric constant viscosity is 2.1. Even if diving damages the water surface, it will not generate electricity. Track volume resistance> 10180M, surface resistance> 2*10130M; Arc resistance> 165 seconds without leakage.
4. Corrosion resistance: only elemental fluorine at high temperature, alkali metal and its synergy, feP tube has no effect on all other concentrated and dilute inorganic organic acids, alkalis and esters;
5, low water absorption rate, low water absorption rate <0.01%;
6, non-flammable, feP tube in the air will not burn (oxygen index> 95VOL%), physiological inertia;
7. High transparency in all plastics, low refractive index to light; transparent hose; weather resistance: long-term exposure to ozone and sunlight, anti-ultraviolet (no aging);
8. Easy secondary processing: the feb tube can be self-sealing, self-welding, flanging, and can be made into coils.
FEP is used for film printed boards, wire and cable insulation, generator wire windings, electrical insulation parts (sheets, bars, pipes, frames and insulators), corrosion-resistant structural products (oil-free lubrication mechanical parts), coatings and glass varnishes.fep tubeExcellent corrosion resistance makes it suitable for chemical work equipment, heat exchangers, fractionation towers, pumps, valves, pipes, seals, pipe linings, laboratory transparent containers, etc. Scope-200 to 200°C.
Key words:
Fep tube
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