This EPDM O-Ring has a diameter of 329.57x5.33 mm and is Black in color. The hardness of this O-ring 329.57x5.33 - EPDM - Peroxide - 80 Shore A - Black - ORS209871 is 80. Alternative names for the compound are , and it is commonly produced by Keltan® | Nordel® | Vistalon® | Dutral® | Buna EP® | Mitsui EPT® | Kumho Polychem EP® | JSR EP® | Royalene®. The O-Ring is typically used in and has an operating temperature range from -55 ºC to 150 ºC. O-Rings 472298 are referred to as 209871 and have a DIN 3771 size of 329.57x5.33. This item is equivalent to and has an approval. The chemical name of this O-Ring is Ethylene propylene diene monomer.