Peroxide Cured EPDM Rubber

Peroxide Cure EPDM rubber offers many of the same great properties of premium grade EPDM rubber, with enhanced temperature and compression set qualities. Peroxide Cure EPDM rubber also offers resistance to steam, and is the premium choice for applications subject to weathering.

Peroxide Cure EPDM rubber provides select chemical resistance and is recommended for hot water, alcohols, ketones, engine coolants, organic and inorganic acids and bases. Premium grade EPDM rubber is not resistant to mineral oils, greases and fuels. Depending on the application, EPDM rubber can be cured with sulphur or peroxide.

Peroxide Cured EPDM Rubber

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Description Durometer Tensile (Min PSI) Elongation (%) Temperature Range (F) Specification Conforms to ASTM D20000 Spec Sheet Quote

CA515

50

1,200

300

-40° to 300°

2CA515A25B44C32EA14F17

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CA615

60

1,500

250

-40° to 300°

2CA615A25B44C32EA14F17

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CA715

70

1,500

200

-50° to 300°

2CA715A25B44C32EA14F17

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CA815

80

1,500

150

-40° to 300°

2CA815A25B44C32EA14F17

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Peroxide Cure EPDM rubber has better chemical and thermal resistance than Sulphur-cured. The peroxide cure process dramatically improves the heat stability and compression set characteristics of the compounds. Sulphur-cured EPDM can resist temperatures up to 120C (250F), where as peroxide cured EPDM can resist a temperature up to 150 C (300 F).  

Compounded premium grade peroxide cure EPDM rubber is popular among many industries to limit bloom, an issue associated with sulfur cured EPDM.  Peroxide Cure EPDM rubber also has excellent physical properties including mechanical strength. It should not be used with fuels, greases and mineral oils. All BRP rubber is American-made in their Lima, Ohio facility.