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

Dow NORDEL IP 3640 EPDM

Dow NORDEL IP 3640 is a high-ethylene, fast-curing EPDM rubber from Dow’s NORDEL™ specialty elastomer series—designed for demanding automotive seals, weatherstrips, and industrial hoses requiring excellent heat, ozone, and weather resistance with superior compression set performance.
  • dow nordel ip 3640 epdm_6dea827b
  • dow nordel ip 3640 epdm_6dea827b

Features Of Dow NORDEL IP 3640 EPDM

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

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

  3. Low viscosity grade facilitating easy processing on two-roll mills, extruders, and internal mixers.

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

  5. Good compatibility with non-oil-extended formulations and broad range of fillers and plasticizers.

Typical Applications Of Dow NORDEL IP 3640 EPDM

  1. Automotive weatherstripping and door seals.

  2. Roofing membranes for commercial flat roof systems.

  3. Hot water and steam hose compounds.

  4. Bridge expansion joint profiles.

  5. Industrial gaskets and vibration-damping components.

Specifications Of Dow NORDEL IP 3640 EPDM

Chemical TypeEPDM terpolymer (Ethylene-Propylene-Diene)
Product FormStandard bale (approx. 25 kg), free-flowing granules available upon request
AppearanceOff-white to light tan, non-staining, homogenous elastomer
Primary ApplicationsDynamic sealing, roofing, automotive, industrial hose and gasketing
Key FeaturesHigh ethylene, low Mooney viscosity (~40 ML 1+4 @ 125°C), medium ENB content
BenefitsEnhanced processability, superior heat aging resistance, excellent flexibility at low temperatures
Processing GuidanceCompatible with conventional sulfur and peroxide cure systems; recommended for oil-free or low-oil formulations
Standards ComplianceMeets ASTM D1566 and ISO 1629 classification for EPDM elastomers


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