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

SK Suprene S552-1 EPDM

SK Suprene S552-1 EPDM is a high-performance ethylene propylene diene monomer rubber from SK’s Suprene series, featuring excellent heat resistance, ozone stability and weatherability. It offers superior compression set resistance and processability for automotive seals, roofing membranes and industrial gaskets. This grade balances scorch safety with fast cure kinetics, ensuring consistent quality in extrusion and molding applications.
  • sk suprene s552 1 epdm_f4444250
  • sk suprene s552 1 epdm_f4444250

Features Of SK Suprene S552-1 EPDM

  1. Excellent resistance to ozone, weathering, and UV radiation for long-term outdoor performance.

  2. Superior heat aging stability up to 150°C, maintaining mechanical integrity under elevated temperatures.

  3. High resilience and low compression set, ensuring reliable sealing performance over extended service life.

  4. Good processability in extrusion and injection molding, supporting high-efficiency manufacturing.

  5. Compatible with standard sulfur and peroxide curing systems for flexible formulation design.

Typical Applications Of SK Suprene S552-1 EPDM

  1. Automotive weatherstripping and door seals.

  2. Roofing membranes and waterproofing sheets for commercial construction.

  3. Industrial hose covers and vibration-damping components.

  4. Window and curtain wall gaskets in architectural glazing systems.

  5. Refrigeration and HVAC sealing profiles requiring low-temperature flexibility.

Specifications Of SK Suprene S552-1 EPDM

Chemical TypeEPDM (Ethylene Propylene Diene Monomer) terpolymer
Product FormGranular, free-flowing pellets
AppearanceLight brown to beige, non-dusty granules
Primary ApplicationsExtruded and molded sealing products, roofing membranes
Key FeaturesOzone resistance, thermal stability, low compression set
BenefitsExtended service life, consistent processing, recyclable post-consumer scrap compatibility
Density (ASTM D792)Approx. 0.86 g/cm³
Mooney Viscosity ML(1+4) at 125°C55 ± 5


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