Used in common sealing applications, these nitrile/Buna N O-rings offer excellent resistance to tearing. They handle common motor and hydraulic oils with ease. 70A durometer. -40-225 degrees F. Meet SAE AS568, ASTM D1418, ASTM D2000, SAE J200. Performs well in: -Petroleum oils and fuels -Silicone oils and greases -Ethylene glycol -Dilute acids -Water