This FFKM - FFPM O-Ring has a diameter of  mm and is White in color. The hardness of this O-ring 28x3.55 - FFKM - FFPM - F707W94 - FDA - EC1935/2004 - USP Class VI - 3A Sanitary - 70 Shore A - White - ORS216529 is 70. Alternative names for the compound are FFKM – FFPM, and it is commonly produced by . The O-Ring is typically used in and has an operating temperature range from -20 ºC to 270 ºC. O-Rings 555522 are referred to as 216529 and have a DIN 3771 size of . 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 Perfluoroelastomer.