EPDM Polymer

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EPDM polymer (Ethylene Propylene Diene Monomer rubber) is a type of synthetic elastomer characterized by wide range applications. Main properties of EPDM are its outstanding heat, ozone and weather resistance. EPDM exhibits satisfactory compatibility with hydraulic fluids, ketones, hot and cold water and alkalis.

EPDM Polymer Information and Specs
General Information
  • Common Name: EPDM, EP Rubber
  • Chemical Name: Ethylene-propylene Terpolymer
  • Generally Resistant To: Oxidation, Ozone, Sunlight, Abrasion, Fireproof Hydraulic Fluids, Water, and Alkalis
  • Generally Attacked By: Kerosene, Hydrocarbons, and Solvents
  • ASTM D 2000 / SAE J200 Classification: BA, CA
  • MIL-R-3065 / SAE J-14 / MIL-STD-417 Classification: RS
Physical Properties
  • Elongation: 100% to 700%
  • Hardness Range (Durometer Shore A): 30 to 90
Mechanical Properties
  • Compression Set: Fair to Good
  • Rebound Rating: Fair to Very Good
  • Flex Cracking Resistance: Good to Very Good
  • Abrasion Resistance: Good to Excellent
  • Tear Resistance: Fair
  • Impact Resistance: Very Good
  • Flame Resistance: Poor
Thermal Properties
  • Minimum Service Temperature: -75°F
  • Maximum Service Temperature: +325°F
Environmental Resistance
  • Recommended Shelf Life: 5 to 10 years
  • Weather Resistance: Excellent
  • Sunlight Resistance: Outstanding
  • Ozone Resistance: Excellent
  • Oxidization Resistance: Fair to Excellent
  • Water Resistance: Excellent
  • Steam Resistance: Excellent
  • Gas Permeability: Fair to Good