The E70237 is an AS568-237 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 3.359 in (85.32 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.637 in (92.38 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Expect good resistance to ozone, UV and weathering, dilute acids and alkalis, and phosphate ester hydraulic fluids. EPDM (EPR) delivers very good flexibility at low temperature, outstanding weather, ozone and sunlight resistance. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C).
Common environments for this compound include solar and roofing assemblies, potable water applications, and outdoor equipment.
E70237 ships individually. Unit weight is approximately 3.1 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description -237 BLACK EPDM 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 3.359 inch (85.32 mm)
Actual Outside Diameter 3.637 inch (92.38 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity