-420 BLACK EPDM 70D O-RING

APG stocks the E70420, an AS568-420 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 3.85 in (97.79 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.4 in (111.76 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

This material stands up to ketones, dilute acids and alkalis, and water and steam. EPDM (EPR) is specified for excellent hot water and steam resistance, very good flexibility at low temperature. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C).

You will find this material specified across water and steam systems, solar and roofing assemblies, and brake and phosphate ester systems.

E70420 ships individually. Unit weight is approximately 14.795 g and nominal inside diameter is listed as 3 7/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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.