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

SK Suprene S553 EPDM

SKSupreneS553EPDMisahigh-performanceethylene-propylene-dienemonomerelastomerfromSKChemical’sSupreneseries,offeringexcellentheat,ozone,andweatherresistancewithsuperiorflexibilityandcompressionsetresistance.Idealforautomotiveseals,gasketing,andindustrialhoseswherelong-termdurabilityandchemicalstabilityarerequired.
  • sk suprene s553 epdm_c80845a7
  • sk suprene s553 epdm_c80845a7

Features Of SK Suprene S553 EPDM

  1. High ethylene content for excellent compression set resistance

  2. Optimized diene type (ENB) enabling efficient sulfur and peroxide curing

  3. Outstanding weather, ozone, and UV resistance for long-term outdoor performance

  4. Good low-temperature flexibility down to –45 °C

  5. Low permanent deformation under dynamic mechanical stress

Typical Applications Of SK Suprene S553 EPDM

  1. Automotive weatherstripping and sealing systems

  2. Rubber roofing membranes and pond liners

  3. Industrial hose covers and expansion joints

  4. Window and door gaskets for architectural glazing

  5. Under-hood vibration-damping components

Specifications Of SK Suprene S553 EPDM

Chemical TypeEPDM (Ethylene Propylene Diene Monomer)
Product FormGranular elastomer pellets
AppearanceOff-white to light tan free-flowing granules
Ethylene Content~65–70 wt%
Diene TypeENB (Ethylidene Norbornene)
Mooney Viscosity (ML 1+4 @ 125 °C)50–58
Volatile Matter (ASTM D5662)≤ 0.5 wt%
Key FeaturesHigh resilience, low compression set, superior aging stability


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