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

Dow NORDEL IP 4570 EPDM

Dow NORDEL IP 4570 is a high-ethylene, fast-curing EPDM rubber from Dow’s NORDEL IP series—designed for demanding automotive weatherseals and industrial extrusions requiring excellent compression set resistance, ozone durability, and processing efficiency.
  • dow nordel ip 4570 epdm_adcecd09
  • dow nordel ip 4570 epdm_adcecd09

Features Of Dow NORDEL IP 4570 EPDM

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

  2. Optimized diene level enabling efficient sulfur-based and peroxide cure systems.

  3. Good processability on standard rubber mixing equipment with low Mooney viscosity (ML 1+4 @ 125°C ≈ 45).

  4. Outstanding ozone and weather resistance due to saturated EPDM backbone.

  5. Low extractables and high purity, suitable for applications requiring regulatory compliance (e.g., FDA-relevant formulations).

Typical Applications Of Dow NORDEL IP 4570 EPDM

  1. Automotive weatherstripping and sealing systems.

  2. Roofing membranes and geomembranes for long-term outdoor exposure.

  3. Industrial hose covers and vibration dampening components.

  4. Hot water and steam service gaskets and seals.

  5. Electrical insulation profiles requiring thermal endurance and moisture resistance.

Specifications Of Dow NORDEL IP 4570 EPDM

Chemical TypeEPDM terpolymer (Ethylene-Propylene-Diene)
Product FormStandard bale (approx. 25 kg), crumb or pellet options available upon request
AppearanceOff-white to light tan, uniform solid elastomer
Mooney Viscosity (ML 1+4 @ 125°C)43–47
Ethylene Content (wt%)65–69
Diene TypeENB (Ethylidene Norbornene)
Primary ApplicationsDynamic and static seals, extruded profiles, molded parts
Key FeaturesHigh ethylene, low viscosity, balanced cure kinetics, excellent aging resistance


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