This silicone O-ring is red in color, round in shape, has a durometer of 7OA, and is designed for use in a wide variety
of sealing applications.
Silicone is acceptable for temperature applications between -65 degrees F (-54 degrees C) to 450 degrees F (232
degrees C). It has good resistance to ozone, weather, detergent, salt water, engine and transmission oil, non-petroleum
brake fluid, hydraulic fluids that resist fire, vegetable and animal oils, and high molecular weight chlorinated
aromatic hydrocarbons. Silicone is vulnerable to mechanical wear and tear, water and steam over 250 degrees F (121
degrees C), aromatic hydrocarbons (benzene), chlorinated hydrocarbons (trichloroethylene), acids and bases, and
O-rings commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are
commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round
cross section and a hole in the center, similar to a doughnut. O-rings are available in a number of sizes, and can be
ordered based on required nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter.
This silicone O-ring has a shore durometer of 70A. Shore durometer is the hardness of a material, and its resistance
to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100,
with 100 indicating no indentation.
This silicone O-ring meets standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for