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

Solvay Tecnoflon PL557 Fluoroelastomer

Solvay Tecnoflon PL557 is a high-performance fluoroelastomer from the Tecnoflon® PFR series, offering exceptional resistance to heat, chemicals, and aggressive fuels. Designed for demanding automotive and aerospace sealing applications, it delivers superior compression set resistance and long-term stability under extreme conditions. Its optimized cure system ensures excellent processability and consistent vulcanization.
  • solvay tecnoflon pl557 fluoroelastomer_604f2f6f
  • solvay tecnoflon pl557 fluoroelastomer_604f2f6f

Features Of Solvay Tecnoflon PL557 Fluoroelastomer

  1. Excellent resistance to aggressive chemicals including acids, bases, and polar solvents.

  2. Outstanding high-temperature performance with continuous service capability up to 200 °C.

  3. Low compression set ensuring long-term sealing integrity under dynamic and static conditions.

  4. Good processability for extrusion and compression molding operations.

  5. Enhanced resistance to swelling in hydrocarbon-based fluids and automotive fuels.

Typical Applications Of Solvay Tecnoflon PL557 Fluoroelastomer

  1. Aerospace fuel system seals and diaphragms.

  2. Automotive turbocharger hoses and valve stem seals.

  3. Chemical processing equipment gaskets and O-rings.

  4. Oil & gas downhole elastomeric components exposed to sour service environments.

  5. Semiconductor manufacturing fluid-handling seals requiring ultra-clean, low-outgassing performance.

Specifications Of Solvay Tecnoflon PL557 Fluoroelastomer

Chemical TypeFluoroelastomer (FKM), vinylidene fluoride–hexafluoropropylene–tetrafluoroethylene terpolymer
Product FormPellets
AppearanceOff-white to light tan free-flowing pellets
Primary ApplicationsDynamic and static seals, hoses, diaphragms, and molded parts in demanding industrial environments
Key FeaturesHigh thermal stability, chemical inertness, low compression set, and good mechanical processability
BenefitsExtended service life in harsh media, reduced maintenance frequency, and compliance with stringent industry standards (e.g., ASTM D1418, SAE J200)
Standard Packaging25 kg multi-wall kraft paper bags with polyethylene liner


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