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:-67°F to +300°F
Durometer Range (Shore A ± 5):40 to 80
Tensile (min.):1450 psi
Elongation Range (min.):150% to 400%
Finishes Available:Smooth, Nylon
Talc:Talc-Free Available
Specification:ASTM D 2000 M1CA
Compound Number(s)Part Number(s)
040K01750044222840004422575500442259290044226434
0044226751004422750200442352740044254086
0044262146004426214700442621480044262149
0044262150004426215100442627980044262801
0044262802004426280300442628060044262811
0044262812004426281300442628140044262815
0044262816004426281700442628180044262819
050K04740044226772004422677400442268170044226821
0044227488004422766500442280830044229697
0044229699004425414600442550360044259724
00442621520044262153
060K01900044228887004422400400442240080044226577
0044224019004422403100442259630044262156
0044262157004422401000442621580044224023
00442240340044225965
070K01860044255610004422691200442257660044226915
0044224676004422667200442285450044262161
0044226913004422576800442573310044224678
00442266730044228546
080K03860044234885004422729400442261950044227447
0044227256004422685800442269740044262162
0044261232004426216300442621640044227258
00442621650044226975

We comply with the Buy American Act requirements.

Advanced Technical Details

Durometer
Hardness
(Shore A ± 5)
Thickness
(inches)
TensileUltimate
Elongation
Temperature
Range
Estimated Weight
Per Linear Foot
(1/8″ x 36″)
SpecificationsSpecification
Sheets
40
040K0175
1/64 – 1/41450 psi400%-67°F to +300°F2.13 lbASTM D 2000
M1CA 410
50
050K0474
1/64 – 1/41450 psi300%-67°F to +300°F2.1 lbASTM D 2000
M1CA 510
60
060K0190
1/64 – 1/41450 psi300%-67°F to +275°F2.15 lbASTM D 2000
M1CA 610
70
070K0186
1/64 – 1/41450 psi200%-67°F to +275°F2.2 lbASTM D 2000
M1CA 710
80
080K0386
1/64 – 1/41450 psi150%-67°F to +275°F2.32 lbASTM D 2000
M1CA 810

Compound Numbers: 040K0175(40K175), 050K0474(50K474), 060K0190(60K19), 070K0186(70K186), 080K0386(80K386)

Unsure on how to read our compound number? Read the page, “How to Read a Compound Number”.

General Information for WARCO Sheet Rubber

Rubber Roll Width

WARCO Sheet rubber rolls are available in 36” or 48” width. Custom widths available up to 55″. Rolls are untrimmed and can measure approximately 3” in additional width. Trimmed rolled rubber is available upon request.

Custom widths are available, please call (714-532-3355) for details.

Standard Minimum Order Quantity

The minimum order quantity for a standard WARCO Sheet rubber is one roll. For custom applications, please call (714-532-3355) for more information.

Rubber Roll Lengths

Standard Roll approximate length ±10%. Products may vary, please see product listing for standard roll lengths.

Sheet Roll Lengths:

  • 1/64″ thick – 180 feet
  • 1/32” thick – 150 feet
  • 1/16” thick – 100 feet
  • 3/32” thick – 65 feet
  • 1/8” thick – 50 feet
  • 3/16” thick – 30 feet
  • 1/4” thick – 25 feet
  • 5/16” thick – 20 feet
  • 3/8” thick – 16.5 feet
  • 1/2” thick – 12.5 feet

Sheet Rubber Thickness Tolerances

Closer tolerances and Custom thicknesses are available and can be priced on request.

WARCO Thickness Tolerance – Standard RMA

  • 0.031” & thinner: ± 0.010″
  • 0.032″ to 0.061″: ± 0.012″
  • 0.062″ to 0.124″: ± 0.016″
  • 0.125″ to 0.186″: ± 0.020″
  • 0.187″ to 0.374″: ± 0.031″
  • 0.375″ to 0.500″: ± 0.047″
  • 0.501″ to 0.750″: ± 0.094″
  • 0.751″ & thicker: ± 10%

Sheet Rubber Finish

Unless otherwise noted, sheet rubber has a standard smooth finish. Textured (fabric) finish and matte finish are available on most materials at an additional cost. Please call for details.

Sheet Rubber Color

The standard color of our sheet rubber is black, unless noted otherwise. Custom colors and color matching is available.

Test Reports

Short form test results, basic physicals, are available upon request at the time of the order. Full test reports for particular specifications will be also quoted on request. This may include certifying the ozone resistance, heat ageing, compliances, and many more aspects of our product. Certifications are sent with your order upon request at no charge.

More information about the WARCO products is available at General Product Information.

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: https://www.astm.org/.

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

ASTM D2000 M4AA

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

MIL-R-21252

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

MIL-R-2765

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