This FFKM - FFPM O-Ring has a diameter of 35.3x3.55 mm and is Black in color. The hardness of this O-ring 35.3x3.55 - FFKM - FFPM - F707Z94 - FDA - EC1935/2004 - USP Class VI - 3A Sanitary - 70 Shore A - Black - ORS98279 is 70. Alternative names for the compound are FFKM – FFPM, and it is commonly produced by Kalrez® | Simriz® | Chemraz® | Perlast® | Isolast® | Parofluor®. The O-Ring is typically used in and has an operating temperature range from -25 ºC to 275 ºC. O-Rings 780495 are referred to as 98279 and have a DIN 3771 size of 35.3x3.55. This item is equivalent to and has an FDA - EC1935/2004 - USP Class VI - 3A Sanitary approval. The chemical name of this O-Ring is Perfluorcarbonrubber / Perfluoroelastomeer.