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O-ring 3.68mm ID x 1.78mm CS EPDM 80 ShA Peroxide Cured

Article Number: BS007E80PC
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Quick Overview

British Standard O-ring size:3.68mm ID x 1.78mm CS EPDM 80 ShA Peroxide Cured


EPDM rubber is a terpolymer of ethylene, propylene and diene monomers. O rings manufactured from EPDM exhibit an excellent resistance to weathering and ozone, water and steam. General purpose EPDM O rings are manufactured using a sulphur based curing system, these are suitable for use up to +120°C whereas peroxide cured O rings can be used up to +150°C. EPDM is particularly useful when sealing in brake systems that use fluids having a glycol (Dot 3 and 4) or silicone base (Dot 5). Polymax peroxide cured EPDM O-ring have a series of approvals including ACS, WRAS, KTW, EN 681-1.

Additional Information

Colour Black
Material EPDM
Internal Diameter (mm) 3.68
Cross Section Diameter (mm) 1.78
Cross Section Type Circular
O-ring type British Standard
Hardness (Shore A) 80
Maximum Temperature (°C) 125.00
Minimum Temperature (°C) -30.00
*Dimensions can vary, they are typical only.