The E70330 is an AS568-330 black EPDM (EPR) 70 Shore A O-Ring built to an inside diameter of 2.1 in (53.34 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.52 in (64.01 mm). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
EPDM (EPR) is specified here for excellent hot water and steam resistance, outstanding weather, ozone and sunlight resistance. The material holds up against phosphate ester hydraulic fluids, ozone, UV and weathering, and brake fluid. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C).
Common environments for this compound include solar and roofing assemblies, brake and phosphate ester systems, and potable water applications.
This item is sold individually under part number E70330. Unit weight is approximately 4.817 g and nominal inside diameter is listed as 2 1/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -330 BLACK EPDM 70D O-RING
uf_description2 0.210" (5.33MM) CS X 2.100" (53.34MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 2.1 inch (53.34 mm)
Actual_OD 2.52 inch (64.01 mm)
ProductCode Description O-Rings - Bulk - Commodity