FEP смола используемая для авиационной и аэрокосмической промышленности
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- Поставщик: Beijing Starget Chemicals Co. Ltd.
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Характеристики
Products Information
FEP
FEP is a melt-processible fluoroplastic resin available in pellet form. It is a copolymer of tetrafluoroethylene(TFE) and hexafluoropropylene(HFP), without additives, has a lower melt viscosity than PTFE and can be processed like other thermoplastic resins by the melt flow processes of extrusion, transfer, injection and compression molding. Because the bonding energy between its carbon and fluorine atoms is so high, and the molecule is completely filled with fluorine atoms, Everflon FEP fluorocarbon polymer has excellent thermal, electrical, and chemical stability.
Fluoropolymer FEP pellets resin
FEP resin is a melt-processible copolymer of tetrafluoroethylene and hexafluoropropylene, without additives, that meets the requirements of ASTM D 2116.
FEP fluoroplastics are processed by conventional melt extrusion techniques and by injection, compression, transfer and blow molding processes.
FEP fluoroplastics are ideal for wire coating and molding a wide variety of end use articles and components.
FEP offers an excellent combination of properties characteristic of all fluoroplastics; a wide service temperature range, exceptional dielectric and electrical properties, low coefficient of friction, low flammability and chemical resistance.
FEP has a service temperature range, up to 200°C (392°F).
While FEP can be fabricated into solid shapes and molded articles it is best known as an industry leading product line in the wire and cable industry where it is used for wire coating and cable jacket fabrication.
FEP offers wire and cable OEMs a high performance fluoroplastic material with excellent electrical properties, ease of processing and consistent performance.
The FEP product line is one the broadest in the industry. With Melt Flow Rates (MFR) from 3 to 30, and a wide range of application specific grades, FEP is uniquely positioned to offer exceptional performance in both general purpose and high speed wire and cable constructions.
Technical Index
Item | Unit | 618 |
|
| Translucent particle, with impurities such as metal |
Appearance |
| debris and sand, containing visible black particles |
|
| percentage point less than 1% |
Melting Index | g/10min | 16.1-20.0;20.1-24.0;24.1+; 12.1-16.0; 24-35 |
Tensile Strength, ≥ | MPa | 17.5-21.0 |
Elongation at break, ≥ | % | 280-320 |
Relative Gravity |
| 2.12~2.17 |
Melting Point | 265±10 | |
Dielectric Constant(106HZ) |
| 2.15 |
Dissipation Factor(106 HZ) |
| 7.10x10-4 |
Heat Stress Cracking |
| Crackless |
Resistance |
|
for details, we can recommend as you request.
Application
Mainly for aviation and aerospace industry, the MTR transport vehicles, automatic switching equipment, well test equipment, flame alarm systems, high-rise buildings, fire regional wires, cables, computers, communicaiton networks, electrical fields, particulary applicable of high speed extrusion small caliber wire insulation mateiral. It is more economical when used in where no high stress cracking resistance is required.
Processing
FEP resin can be processed by conventional melt extrusion, and by injection, compression, and blow molding processes. For smooth feeding to extrusion equipment, it is supplied in 3 mm (0.12 in) pellets.
The extruders and molding machines used for FEP should be constructed of high nickel alloy corrosion-resistant materials and be capable of operating at temperatures up to 400 °C (750 °F).
Packing & Delivery
1. It should be packaged in two-layer plastic inner bag, and then sealed in outer packing plastic bag. Each bag has net weight of 25kg and certificate of approval.
2. It should be stored in a clean, dry, cool and shady environment to prevent mixing of impurities.
3. It is nontoxic, non-inflammable, nonexplosive and noncorrosive, so it is transported according to non-dangerous goods.
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