Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Tecnoflon P 457 FKM Elastomer

Tecnoflon®P457isSolvay’shigh-performanceFKMelastomerfeaturingexcellentheat,oil,andchemicalresistanceidealforaerospace,automotive,andindustrialsealingapplicationswithsuperiorcompressionsetandlong-termreliability.
  • tecnoflon p 457 fkm elastomer_8a72e507
  • tecnoflon p 457 fkm elastomer_8a72e507

Features Of Tecnoflon P 457 FKM Elastomer

  1. Excellent resistance to high temperatures up to 230 °C in continuous service.

  2. Superior chemical resistance to aggressive automotive fluids, including modern low-SAPS engine oils and biofuels.

  3. Outstanding compression set resistance, ensuring long-term sealing performance under dynamic and static conditions.

  4. Good processability on standard rubber processing equipment, including extrusion and injection molding.

  5. Low gas permeability, ideal for critical sealing applications requiring tight containment.

Typical Applications Of Tecnoflon P 457 FKM Elastomer

  1. High-performance O-rings and seals for turbocharger systems in internal combustion engines.

  2. Fuel system components, including injector seals and fuel rail gaskets in gasoline direct injection (GDI) and diesel common rail systems.

  3. Valve stem seals and crankshaft rear main seals in advanced powertrain applications.

  4. Sealing solutions for electric vehicle battery cooling circuits exposed to glycol-based heat transfer fluids.

  5. Static and dynamic seals in industrial hydraulic systems operating with HFD-U and phosphate ester-based fire-resistant fluids.

Specifications Of Tecnoflon P 457 FKM Elastomer

Chemical TypeFluoroelastomer (FKM), vinylidene fluoride–hexafluoropropylene–tetrafluoroethylene terpolymer
Product FormUncured gum stock in bale form
AppearanceLight tan to amber, homogeneous solid sheet
Primary ApplicationsHigh-temperature static and dynamic seals in automotive, aerospace, and industrial fluid systems
Key FeaturesHigh fluorine content (~68 wt%), excellent thermal stability, low compression set
BenefitsExtended service life in harsh environments, reduced maintenance frequency, compliance with OEM specifications
Curing System CompatibilityAmine-cured (requires post-cure for optimal properties)
Density (ASTM D297)1.82–1.86 g/cm³


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