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.275" (7.00mm) EPDM 70 O-Ring Cord Round



$0.68

Quantity Discount Prices
1-40
$0.68
41-490
$0.61
491+
$0.51


O-Ring cord stock to make your own O-rings and gaskets

Please note: Priced & sold per foot. If ordering more than one foot (of the same size), the cord will come as one whole length.

How to calculated O-Ring cord length needed:

( ( OD + ID ) / 2 ) x Pi = length Pi=3.14159

EPDM (Ethylene Propylene, EPM) Cord

EPM is a copolymer of ethylene and propylene. Ethylenepropylene-diene rubber (EPDM) is produced using a third monomer and is particularly useful when sealing phosphate-ester hydraulic fluids and in brake systems that use fluids having a glycol base.Heat resistance

  • Up to 300°F (149°C) (max. 400°F (204°C) in water and/or steam).

Cold flexibility

  • Down to approximately –70°F (–57°C).

Chemical resistance

  • Hot water and steam up to 300°F (149°C) with special compounds up to 400°F (204°C)
  • Glycol based brake fluids up to 300°F (149°C)
  • Many organic and inorganic acids
  • Cleaning agents, soda and potassium alkalis
  • Phosphate-ester based hydraulic fluids (HFD-R)
  • Silicone oil and grease
  • Many polar solvents (alcohols, ketones, esters)
  • Ozone, aging and weather resistant.

Not compatible with:

  • Mineral oil products (oils, greases and fuels).
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