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

Dow NORDEL IP 4820P EPDM

Dow NORDEL IP 4820P EPDM is a high-ethylene, fast-curing ethylene propylene diene monomer rubber with excellent compression set resistance, heat aging stability and ozone resistance. Designed for automotive weatherseals and industrial extrusions, it offers superior processability and consistent vulcanization performance in demanding applications.
  • dow nordel ip 4820p epdm_00f7d0d6
  • dow nordel ip 4820p epdm_00f7d0d6

Features Of Dow NORDEL IP 4820P EPDM

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

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

  3. Low Mooney viscosity (ML 1+4 @ 125°C ≈ 45) for superior processability in extrusion and calendering.

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

  5. Good compatibility with non-oil-extended formulations and common fillers like carbon black and calcium carbonate.

Typical Applications Of Dow NORDEL IP 4820P EPDM

  1. Automotive weatherstripping and door seals.

  2. Roofing membranes for commercial flat roof systems.

  3. Hot water and steam-resistant hoses and gaskets.

  4. Industrial rubber profiles requiring long-term outdoor durability.

  5. Electrical insulation components exposed to UV and temperature cycling.

Specifications Of Dow NORDEL IP 4820P EPDM

Chemical TypeEPDM terpolymer (Ethylene-Propylene-Diene)
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Primary ApplicationsExtruded and molded sealing products, roofing membranes, industrial hoses
Key FeaturesHigh ethylene, low Mooney viscosity, balanced diene content
BenefitsImproved processing, enhanced compression set, outstanding weather/ozone resistance
Cure System CompatibilitySulfur, peroxide, and resin curatives
Storage StabilityStable under dry, cool, dark conditions (≤30°C, RH <60%)


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