This o-ring is supplied in AS568-346 black EPDM (EPR) 70 Shore A with an inside diameter of 4.1 in (104.14 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.52 in (114.81 mm), catalogued under part number E70346. It compresses into its gland to block fluid or gas migration across a joint.
This material stands up to dilute acids and alkalis, brake fluid, and phosphate ester hydraulic fluids. That behavior comes from the compound itself: EPDM (EPR) delivers good electrical insulating characteristics, strong performance in outdoor and exposed installations. 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 mineral oil-based lubricants.
It sees regular use in potable water applications, outdoor equipment, and HVAC and refrigeration.
Stocked as E70346 and sold individually. Unit weight is approximately 8.99 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -346 BLACK EPDM 70D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 4.1 inch (104.14 mm)
Actual Outside Diameter 4.52 inch (114.81 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity