This o-ring is supplied in AS568-318 clear Polyurethane (AU/EU) 70 Shore A with an inside diameter of 0.975 in (24.77 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.395 in (35.43 mm), catalogued under part number U70318. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
It resists ozone, petroleum oils, and abrasion and wear. Polyurethane (AU/EU) is specified for exceptional abrasion resistance and toughness that outperforms conventional rubber compounds. Service temperature is rated from -65°F (-53.9°C) through 200°F (93.3°C). Verify compatibility before use with acids and bases or hot water and steam.
Typical settings include mining and heavy equipment, off-highway equipment, and hydraulic cylinders.
Stocked as U70318 and sold individually. Nominal inside diameter is listed as 1 inch. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Description 568-318 URETHANE 70 DURO ORINGS
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 0.975 inch (24.77 mm)
Actual Outside Diameter 1.395 inch (35.43 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium