*568-328 URETHANE 90 ORINGS -PR GRADE

This o-ring is supplied in AS568-328 clear Polyurethane (AU/EU) 90 Shore A with an inside diameter of 1.85 in (46.99 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.27 in (57.66 mm), catalogued under part number U90328. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Polyurethane (AU/EU) is specified here for long wear life in dynamic reciprocating service and outstanding extrusion resistance at elevated pressure. The material holds up against extrusion under high pressure, ozone, and abrasion and wear. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service. It should not be specified for service in ketones or prolonged humidity at elevated temperature.

Typical settings include hydraulic cylinders, press and forming equipment, and construction machinery.

This item is sold individually under part number U90328. Nominal inside diameter is listed as 1 7/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. 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.