Key Attributes.
Product Description
Fluorinated ethylene propylene is colorless and transparent, the copolymerization of tetrafluoroethylene and hexafluoro- propylene, retained full performance of the F4, has excellent chemical stability, excellent non-stick characteristics of temperature permissions below F450 C, forming convenient with extrusion, molding, injection molding.
Fluorinated ethylene propylene (FEP or F46) Characteristics:
FEP is milky white, translucent solid with the density of 2.14-2.18g/cm3, smooth surface such as wax, low water absorption, does not exceed 0.01%. Compared with the PTFE, the conventional mechanical properties are similar and toughness at room temperature and creep resistance is better than PTFE. But at elevated temperature is less than PTFE. Its mechanical properties are affected by temperature, but it still has a certain carrying capacity even at 200 . The friction factor is only after to PTFE, and decreases with increasing load.
Chemical stability of FEP and PTFE is similar, for all of the dilute or concentrated inorganic acids and alkali it has exceptional stability. It is not affected with alcohols, ketones, hydrocarbons, halogenated hydrocarbons, aromatic hydrocarbons, grease, etc. Only at elevated temperature, it has to ration with fluorine, alkali metals and chlorine fluoridation. Carbon tetrachloride and fluorine-containing compound make FEP swell but can still recover the original shape and performance after the departure of the solvent.
FEP has very excellent dielectric properties and electric insulation properties, close to PTFE, the electrical properties substantially unaffected by the influence of the electric field frequency and the environmental humidity change, which can be stable in a very wide temperature range. In addition, FEP has exceptional resistance weathering performance, excellent flame resistance and oxygen index is up to 95.
The principal shortcomings of FEP are the higher melting temperature and the higher viscosity. It needs to use higher molding pressure, but melt fracture phenomenon is easy to produce in the high shear rate. In addition, the intensity of FEP production of plastic parts is minimal, but the cost is very high.
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Company Profile
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Business Type: |
Daheng demister pad co., ltd. is a professional manufacturer of demister pads, located in the wire mesh hometown, anping, hebei, china.
our company has strong technical skills, advanced production technology, complete testing organizations. in the gas-liquid separator wire mesh and wire mesh demister or mist eliminator manufacturing we cultivated a group of strong professional and technical capacity of the technical staff. after years of accumulated experience there are five series products that customers can choose: hg/t21618-98, hg/t21586-98, hg 5-1404-81, hg 5-1405-81 and hg 5-1406-81. it can also be customized according to the customer's round, oval, fan-shaped, square, rectangular embedded drawer and baffle plate nonstandard demister devices.
with years' development and advanced technology, our wire mesh demisters products export all over the world, mainly in east asia, europe, north america, south america countries and regions. with the accurate specification, custom sizes, technology assistance, sincere service, our demisters products are very popular. |
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Comapany: |
Daheng demister pad co., ltd. |
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Address: |
No.15 hengkang street, anping, hebei, china. 053600 |
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City: |
Anping |
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Zip/Postal: |
053600 |
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Country: |
China |
