**568-231 URETHANE 70 DURO ORINGS

This o-ring is supplied in AS568-231 clear Polyurethane (AU/EU) 70 Shore A measuring an inside diameter of 2.609 in (66.27 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.887 in (73.33 mm), catalogued under part number U70231. It compresses into its gland to block fluid or gas migration across a joint.

Polyurethane (AU/EU) is specified here for long wear life in dynamic reciprocating service and exceptional abrasion resistance. It resists ozone, petroleum oils, and abrasion and wear. Continuous operating temperature is published at -65°F (-53.9°C) to 200°F (93.3°C). Applications involving hot water and steam or prolonged humidity at elevated temperature call for a different compound.

Typical settings include mining and heavy equipment, hydraulic cylinders, and construction machinery.

This item is sold individually under part number U70231. Nominal inside diameter is listed as 2 5/8 inch. Review your operating media and conditions against this specification before installation.