Precision Associates, Inc.

United States

Another method of testing used to predict seal life, Compressive Stress Relaxation measures the force a rubber seal exerts against its mating surface after being exposed to aging conditions over a specific period of time. The ability of the material to maintain this force is useful in predicting seal longevity in an application when considered in relation to the Compression Set data.

Explore our AS-568 & Extended Standard Size O-Rings including our new 532" Nominal Cross Section O-Rings. Precision Associates' O-Rings are available off the shelf in several standard compounds. Or try O-Rings in one of 1, 200+ specialty materials in 20 polymer groups, including Viton, AFLAS, EPDM, Nitrile, HNBR (HSN), XNBR, Neoprene, Butyl, XNBR, Silicone, Fluorosilicone, Perfluoroelastomer, Urethane, Hypalon, and Hydrin.Click here to view our 48 page (5Mb) Catalog

Precision Associates AN Rod Wipers are made to the exact dimmensions specified on Military drawing MS 28776.