OEM/ODM China Fkm Fluorine Rubber - Peroxide Curable FKM Raw Polymer – FUDI
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OEM/ODM China Fkm Fluorine Rubber - Peroxide Curable FKM Raw Polymer – FUDI Detail:
Peroxide curing FKM is terpolymer of hexafluoropropylene, vinylidene fluoride and tetrafluoroethylene. It has below properties compare with traditional bisphenol curable fluoroelastomer.
* Excellent flow ability and mold release.
* High tensile strength and anti rearing performance.
* Rapid curing process.
* Excellent agent resistant performance.
* Good compressing set character.
Polyamine curing | Bisphenol curing | Peroxide curing | |
Curing agent | Diamine | Bisphenol | TAIC |
Application
● Fuel seal
● Fuel pipe
● Shaft seal
● Turbocharger tube
● Watch band
Datasheet
FDF351 | FDF353 | FDF533 | FDP530 | FDL530 | |
Fluorine content % | 70 | 70 | 70 | 68.5 | 65 |
Density (g/cm3) | 1.9 | 1.9 | 1.9 | 1.85 | 1.82 |
Mooney Viscosity (ML (1+10)121℃) | 70±10 | 40±10 | 45±15 | 50±10 | 40±20 |
Tensile strength after post cure (Mpa) 24h, 230℃ | ≥18 | ≥25 | ≥25 | ≥20 | ≥20 |
Elongation at break after post cure (%)24h, 230℃ | ≥230 | ≥240 | ≥240 | ≥250 | ≥240 |
Compression set (%) 70h, 200℃ | ≤35 | ≤20 | ≤20 | ≤25 | ≤25 |
Application | Extrusion fuel pipes, turbocharger tube | Watch bands etc |
How to choose fluoroelatomer?
FKM Copolymer vs FKM Terpolymer
Copolymer: 66% fluorine content, general application, resistance to oil, fuel, heat, chemicals. Common application is o rings, oil seals, packers, gaskets, etc.
Terpolymer: higher fluorine content than copolymer 68% fluorine content. Better resistance to oil, fuel, heat, chemicals, used in harsh environment which copolymer can’t satisfy the requirements.
Bisphenol curable FPM vs Peroxide curable FPM
Bisphenol curable FPM has low compression set, offer used for o-rings, shaft seals, piston seals. Price is good.
Peroxide curable FPM has better resistance to polar solvents, steam, acids, chemicals. Price is much higher. Its often used for wearable devices, extrusion fuel hoses.
Storage
Viton precompound should be stored in a cool, dry and ventilated place. Shelf life is 24 months since production date.
Package
1. To prevent the compounds stick to each other, we apply PE film between each layer of FKM compounds.
2. Every 5kgs in a transparent PE bag.
3. Every 20kgs/ 25kgs in a carton.
4. 500kgs on a pallet, with strips to reinforce.
Product detail pictures:

Related Product Guide:
Our personnel are generally within the spirit of "continuous improvement and excellence", and using the excellent top quality goods, favorable rate and superior after-sales expert services, we try to win every customer's believe in for OEM/ODM China Fkm Fluorine Rubber - Peroxide Curable FKM Raw Polymer – FUDI , The product will supply to all over the world, such as: Juventus, Qatar, India, The development of our company not only needs the guarantee of quality, reasonable price and perfect service, but also relies on our customer's trust and support! In the future, we will continue with the most professional and high quality service to provide the most competitive price, Together with our customers and achieve win-win! Welcome to inquiry and consult!

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