Kalrez - Model 4079 - Standard Compound O-Rings
From O-Rings Seals
O-rings made from standard compounds are available from stock in standard AS-568A, metric and JIS sizes. Compound 4079 - A low compression set compound for general-purpose use in O-rings, diaphragms, seals, and other parts used in the process and aircraft industries. It is a carbon black-filled compound with excellent chemical resistance, good mechanical properties, and outstanding hot air aging properties. It exhibits low swell in organic and inorganic acids and aldehydes and has good response.