AJR Seals list of available in-stock inventory of standard AS 568-series o-rings in Polyurethane (PU) 90 shore, one of the most versatile o-ring materials, combining both hardness and elasticity and recommended for use in high pressure, high dynamic and abrasive applications. Excellent resistance to oils, solvents, fats, greases and gasoline. Outstanding tear resistance and has excellent resistance to oxygen, ozone and sunlight and has excellent heat and cold resistance. Temp. Range: -90˚F to 220˚F (-68˚C to 107˚C). Not recommended for continuous use above 225˚F or in hot water above 175˚F. Other quantities, sizes and materials are available to be ordered. Use the drop down menu to check additional inventory or the link in top menu to request a quote.