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Buna Orings 70

**International customers: Please note that due to circumstances surrounding COVID-19, USPS International delivery times have become significantly longer.  Deliveries can take up to eight weeks.  Additionally, USPS International tracking information is not regularly updated.  For your convenience, UPS has been added as an alternate, more timely shipping option.  Rates will vary.**


Buna-N Nitrile O-rings 70 Durometer are heat resistant up to 212*F and 250*F intermittent to -30*F. 

The hardness of rubber compounds is measured by the Shore A durometer. The higher the durometer the harder the compound.  70-durometer hardness should be used whenever possible as it offers the best combination of properties for most O-Rings applications.  

Typically used in applications with propane, butane, petroleum oil, mineral oil, grease, mineral oils/greases, diluted acids, alkali and salt solutions at low temps and water.

NOT COMPATIBLE WITH....Gasoline, benzene, trichlorethylene, ketone, acetone, acetic acid, ethylenester, strong acids, brake fluid with glycol base

Orders over $15 SHIP FREE in the USA