**568-128 URETHANE 70 DURO ORINGS

Ordered as U70128, this is an AS568-128 clear Polyurethane (AU/EU) 70 Shore A O-Ring with an inside diameter of 1.487 in (37.77 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.693 in (43 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

It resists extrusion under high pressure, petroleum oils, and impact and shock loading. Polyurethane (AU/EU) offers outstanding extrusion resistance at elevated pressure and toughness that outperforms conventional rubber compounds. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). Applications involving hot water and steam or ketones call for a different compound.

Typical settings include off-highway equipment, mining and heavy equipment, and high-pressure fluid power.

Reference part number U70128 when ordering; the item is sold individually. 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.