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O-ring 202.57mm ID x 6.99mm CS EPDM 70 ShA FDA Peroxide Cured

Article Number: BS445E70FDA
Not Available to Buy Online - Please contact us for more information.

Contact Us  +44 (0) 1420 474123
Contact Us  sales@polymax.co.uk

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Quick Overview

British Standard O-ring size:202.57mm ID x 6.99mm CS EPDM 70 ShA FDA

Details

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) 202.57
Cross Section Diameter (mm) 6.99
Cross Section Type Circular
O-ring type British Standard
Hardness (Shore A) 70
Maximum Temperature (°C) 125
Minimum Temperature (°C) -30
*Dimensions can vary, they are typical only.

Further Information (File Downloads)