-109 BLACK EPDM 70D NSF O-RING

E70NSF109 is an AS568-109 black EPDM (EPR) 70 Shore A O-Ring with an inside diameter of 0.299 in (7.59 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.505 in (12.83 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

EPDM (EPR) offers good electrical insulating characteristics, outstanding weather, ozone and sunlight resistance. The material holds up against water and steam, dilute acids and alkalis, and brake fluid. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C). It should not be specified for service in aromatic hydrocarbons or petroleum oils and fuels.

The compound meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. You will find this material specified across solar and roofing assemblies, water and steam systems, and HVAC and refrigeration.

E70NSF109 ships individually. Unit weight is approximately 0.193 g. 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.