Buna-N Nitrile O'ring 90 Durometer are heat resistant up to 212°F and 250°F intermittent to -30°F
Typically used in applications with propane, butane, petroleum oil, mineral oil, grease, diesel fuel, mineral oils/greases, diluted acids, alkali and salt solutions at low temps and water.
NOT COMPATIBLE WITH....Benzene, trichlorethylene, ketone, acetone, acetic acid, ethylenester, strong acids, brake fluid with glycol base
90 Durometer o'ring have a harder more dense consistency and typically used in higher pressure applications