This FFKM - FFPM O-Ring is 293 x 3.5mm and in the color Black. The Hardness of this O-RIng 293x3.5 - FFKM - FFPM - 90 Shore A - Black - ORS188262 is 90 Shore A.The alternative names of the compound are FFPM – Dupont Kalrez and they are mostly produced by Evolast® - Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax. The O-ring is commonly used in and has an operating temperature range from -40 ºC to 270 ºC. O-rings 584149 are indicated as 188262 and have a DIN 3771 Size of 293 x 3.5. This item is equal to Evolast N9LT and has an None Approval. The chemical name of this Oring is Perfluoroelastomer.