This HNBR O-Ring has a diameter of 89.5x3 mm and is Black in color. The hardness of this O-ring 89.5x3 - HNBR - 70 Shore A - Black - ORS232489 is 70 Shore A. Alternative names for the compound are Hydrogenated nitrile rubber, and it is commonly produced by . The O-Ring is typically used in and has an operating temperature range from 7101 ºC to 7101 ºC. O-Rings 879274 are referred to as 232489 and have a DIN 3771 size of 89.5x3. This item is equivalent to and has an approval. The chemical name of this O-Ring is Hydrogenated Nitrile Butadiene Rubber.