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

Sinopec Mitsui EPT 3110MH EPDM

Sinopec Mitsui EPT 3110MH is a high-performance EPDM rubber compound from the EPT series, featuring excellent heat resistance, ozone stability and compression set resistance. Designed for automotive seals and industrial gaskets, it offers superior weatherability and long-term durability under harsh conditions. The MH grade indicates medium-high viscosity and optimized processability for extrusion and molding applications.
  • sinopec mitsui ept 3110mh epdm_d9b2f66e
  • sinopec mitsui ept 3110mh epdm_d9b2f66e

Features Of Sinopec Mitsui EPT 3110MH EPDM

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

  2. Optimized diene type (ENB) for superior sulfur vulcanization efficiency and crosslink density control.

  3. Low Mooney viscosity (ML 1+4 @ 125°C ≈ 45–50) enabling easy processing and excellent extrusion uniformity.

  4. Outstanding weather, ozone, and UV resistance due to saturated polymer backbone.

  5. Good compatibility with fillers, oils, and other elastomers for flexible compound formulation.

Typical Applications Of Sinopec Mitsui EPT 3110MH EPDM

  1. Automotive weatherstripping and door seals.

  2. Roofing membranes and waterproofing sheets for commercial buildings.

  3. Industrial hoses requiring heat and chemical resistance.

  4. Bridge expansion joint seals and civil engineering gaskets.

  5. Hot water and steam service tubing in HVAC and plumbing systems.

Specifications Of Sinopec Mitsui EPT 3110MH EPDM

Chemical TypeTerpolymer of Ethylene, Propylene, and ENB (Ethylidene Norbornene)
Product FormStandard bale (25 kg), pelletized or crumb form available upon request
AppearanceOff-white to light brown, non-staining, homogeneous rubber
Mooney Viscosity (ML 1+4 @ 125°C)45–50
Ethylene Content (wt%)58–62
Diene Content (ENB, wt%)4.5–5.5
Vulcanization CharacteristicsCompatible with sulfur, peroxide, and resin cure systems
Key FeaturesLow compression set, high elasticity, excellent aging resistance


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