This EPDM O-Ring has a diameter of 37.82x1.78 mm and is Black in color. The hardness of this O-Ring 37.82x1.78 - EPDM - 80 Shore A - Black - Sulphur - ORS118678 is 80 Shore A. Alternative names for the compound are , and it is commonly produced by Dow Chemical - ExxonMobil - and Lion Elastomers. The O-Ring is typically used in and has an operating temperature range from -40 ºC to 150 ºC. O-Rings 469075 are referred to as 118678 and have a DIN 3771 size of 37.82x1.78. This item is equivalent to and has an None approval. The chemical name of this O-Ring is Ethylene propylene diene monomer.