4MM CS X 12MM ID BLACK EPDM 70D

This o-ring is supplied in black EPDM (EPR) 70 Shore A built to an inside diameter of 12 mm (0.472 in), a cross section of 4 mm (0.157 in), and an outside diameter of 20 mm (0.79 in), catalogued under part number E4X12. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

EPDM (EPR) is valued for strong performance in outdoor and exposed installations, excellent hot water and steam resistance. Expect good resistance to dilute acids and alkalis, phosphate ester hydraulic fluids, and ozone, UV and weathering. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C). It should not be specified for service in petroleum oils and fuels or aromatic hydrocarbons.

You will find this material specified across solar and roofing assemblies, potable water applications, and water and steam systems.

This item is sold individually under part number E4X12. Unit weight is approximately 0.74 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.