E70418 is an AS568-418 black EPDM (EPR) 70 Shore A O-Ring measuring an inside diameter of 3.6 in (91.44 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.15 in (105.41 mm). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, EPDM (EPR) is known for strong performance in outdoor and exposed installations, very good flexibility at low temperature. Expect good resistance to brake fluid, ketones, and water and steam. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C). Verify compatibility before use with petroleum oils and fuels or aromatic hydrocarbons.
It sees regular use in water and steam systems, solar and roofing assemblies, and outdoor equipment.
Stocked as E70418 and sold individually. Unit weight is approximately 13.8984 g and nominal inside diameter is listed as 3 5/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -418 BLACK EPDM 70D O-RING
uf_description2 0.275" (6.99MM) CS X 3.600" (91.44MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 3.6 inch (91.44 mm)
Actual_OD 4.15 inch (105.41 mm)
ProductCode Description O-Rings - Bulk - Commodity