This EPDM O-Ring has a diameter of 78.97x3.53 mm and is Black in color. The hardness of this O-Ring 78.97x3.53 - EPDM - 90 Shore A - Black - Sulphur - ORS118825 is 90 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 6556761 are referred to as 118825 and have a DIN 3771 size of 78.97x3.53. This item is equivalent to and has an None approval. The chemical name of this O-Ring is Ethylene propylene diene monomer.