E70278 is an AS568-278 black EPDM (EPR) 70 Shore A O-Ring built to an inside diameter of 11.984 in (304.39 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 12.262 in (311.45 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, EPDM (EPR) is valued for excellent hot water and steam resistance, strong performance in outdoor and exposed installations. It resists ozone, UV and weathering, dilute acids and alkalis, and phosphate ester hydraulic fluids. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C).
Common environments for this compound include outdoor equipment, HVAC and refrigeration, and solar and roofing assemblies.
This item is sold individually under part number E70278. Unit weight is approximately 11.0924 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -278 BLACK EPDM 70D O-RING
uf_description2 0.139" (3.53MM) CS X 11.984" (304.39MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 11.984 inch (304.39 mm)
Actual_OD 12.262 inch (311.45 mm)
ProductCode Description O-Rings - Bulk - Commodity