Buna-nitrile can have high tensile strength, and abrasion, tear, and compression set resistance.
Buna-nitrile is vulnerable to acetone, ethers, esters, ozone, sunlight and weathering and should therefore not be used in ozone-generating electric motors, welding equipment, or in applications with exposure to UV light.and is compatible for use with petroleum, HFA, HFB and HFC fluids, vegetable oil, alcohol, acids and aliphatic hydrocarbons. 133 Buna/NBR Nitrile O-Ring 70A Shore Black, -1000 Pack.