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

Sinopec Mitsui EPT 3110M EPDM

Sinopec Mitsui EPT 3110M is a high-performance EPDM rubber compound from the EPT series, engineered for superior heat resistance, ozone stability and compression set. It features excellent weatherability and chemical inertness, ideal for automotive seals, HVAC gaskets and industrial elastomeric applications requiring long-term durability under harsh conditions.
  • sinopec mitsui ept 3110m epdm_d2f7aded
  • sinopec mitsui ept 3110m epdm_d2f7aded

Features Of Sinopec Mitsui EPT 3110M EPDM

  1. High ethylene content for excellent compression set resistance and dimensional stability.

  2. Optimized diene level enabling efficient sulfur vulcanization with balanced scorch safety and cure rate.

  3. Consistent molecular weight distribution ensuring superior processing behavior in extrusion and calendering.

  4. Low gel content (<0.1%) supporting uniform dispersion and reduced defect risk in high-performance compounds.

  5. Halogen-free formulation meeting stringent environmental and regulatory requirements for automotive and construction sectors.

Typical Applications Of Sinopec Mitsui EPT 3110M EPDM

  1. Automotive weatherstripping and door seals requiring long-term elasticity and ozone resistance.

  2. Roofing membranes and ponding water applications demanding exceptional UV and thermal aging resistance.

  3. Industrial hoses and gaskets exposed to hot water, steam, and polar fluids.

  4. Bridge expansion joint seals requiring low-temperature flexibility and fatigue endurance.

  5. Electrical insulation components benefiting from high dielectric strength and moisture resistance.

Specifications Of Sinopec Mitsui EPT 3110M EPDM

Chemical TypeEPDM (Ethylene Propylene Diene Monomer)
Product FormRaw elastomer in bale form (approx. 25 kg/bale)
AppearanceOff-white to light tan, smooth surface, non-tacky
Ethylene Content (wt%)62–66%
Molecular Weight Distribution (Mw/Mn)3.0–4.5
Mooney Viscosity (ML 1+4 @ 125°C)48–54
Volatile Matter (wt%)≤0.8%
Ash Content (wt%)≤0.1%


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