This o-ring is supplied in AS568-903 black EPDM (EPR) 80 Shore A with an inside diameter of 0.301 in (7.65 mm), a cross section of 0.064 in (1.63 mm), and an outside diameter of 0.429 in (10.9 mm), catalogued under part number E80PC903. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, EPDM (EPR) delivers good electrical insulating characteristics, excellent hot water and steam resistance. The material holds up against dilute acids and alkalis, water and steam, and phosphate ester hydraulic fluids. Continuous operating temperature is published at -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 solar and roofing assemblies, potable water applications, and outdoor equipment.
Order part number E80PC903, sold individually. Check the compound against your process media, pressure and temperature before committing to a design.
Description -903 BLACK EPDM 80D O-RING
Actual Cross Section 0.064 inch (1.63 mm)
Actual Inside Diameter 0.301 inch (7.65 mm)
Actual Outside Diameter 0.429 inch (10.9 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity