568-449 URETHANE 70 DURO ORINGS

Part number U70449 is an AS568-449 clear Polyurethane (AU/EU) 70 Shore A O-Ring measuring an inside diameter of 9.975 in (253.37 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 10.525 in (267.34 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Expect good resistance to impact and shock loading, ozone, and petroleum oils. Polyurethane (AU/EU) offers long wear life in dynamic reciprocating service and toughness that outperforms conventional rubber compounds. Continuous operating temperature is published at -65°F (-53.9°C) to 200°F (93.3°C). Exposure to acids and bases or prolonged humidity at elevated temperature will shorten service life.

Common environments for this compound include high-pressure fluid power, construction machinery, and hydraulic cylinders.

U70449 ships individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.