Product Description

Peroxide Cure EPDM

Peroxide Cure EPDM provides exceptional heat and aging stability and better compression set performance at higher temperatures. Most peroxides do not bloom and have better color control and stability. Made in the USA.

Samples available upon request.

Product Image

Key Aspects

Temperature Range: -55°F to +300°F
Durometer Range (Shore A ± 5): 40 to 80
Tensile (min. psi.): 1450
Elongation (min. %): 150 to 400
Finishes Available: Smooth, Nylon
Talc: Talc-Free Available
Specification: ASTM D 2000 M1CA

We comply with the Buy American Act requirements.

Advanced Technical Details

(Shore A ± 5)
Compound Thickness
Tensile (psi) Ultimate
Elongation (%)
Estimated Weight
Per Linear Foot
(1/8" x 36")
Minimum Typical Minimum Typical
40 040K0175 1/64 - 1/4 1450 1500 400 500 2.13 lb ASTM D 2000
M1CA 410
50 050K0474 1/64 - 1/4 1450 1600 400 450 2.1 lb ASTM D 2000
M1CA 510
60 060K0190 1/64 - 1/4 1450 1800 250 400 2.15 lb ASTM D 2000
M1CA 610
70 070K0186 1/64 - 1/4 1450 1700 200 200 2.2 lb ASTM D 2000
M1CA 710
80 080K0386 1/64 - 1/4 1450 1800 150 150 2.32 lb ASTM D 2000
M1CA 810

Compound Numbers: 040K0175, 050K0474, 060K0190, 070K0186, 080K0386

Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. The named product polymer is not necessarily the primary polymer representing the highest percentage of the polymer blend. Determination of the suitability of the goods for the uses and applications contemplated by Buyer and others shall be the sole responsibility of the Buyer or user. No guaranty is given with respect to length of service on any particular application. Suggestions or recommendations made by Seller in its product literature concerning uses or applications of the goods are believed to be reliable, but Seller makes no warranty or guaranty of results to be obtained since the conditions of the use and application by Buyer and others are beyond Seller’s control. The specification listed here, ASTM, stands for the American Society for Testing and Materials which is the developer and provider of voluntary consensus standards, related technical information, and services. Their website can be found here:

View complete Terms & Conditions of Sale for suitability of use and formulations

Other EPDM Sheet Rubber Products

Commercial EPDM

  • Durometer: 50 to 70
  • Temperature Range: -40°F to +220°F
  • Specs: ASTM D2000 M1AA


  • Durometer: 40 to 70
  • Temperature Range: -60°F to +300°F
  • Specs: ASTM D2000 M4AA


  • Polymer: EPDM
  • Durometer: 85
  • Temperature Range: -40°F to +220°F
  • Specs: MIL-R-21252


  • Polymer: Nitrile
  • Durometer: 40
  • Temperature Range: -50°F to +220°F
  • Spec: MIL-R-2765