-238 RED SILICONE 70D FDA O-RING

APG stocks the S70FDA238, an AS568-238 red Silicone 70 Shore A O-Ring measuring an inside diameter of 3.484 in (88.49 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.762 in (95.55 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Silicone delivers an exceptionally wide service temperature range and excellent electrical insulating properties. This material stands up to ozone and UV exposure, extreme heat and cold, and many oxidizing chemicals. The material carries a published service range of -80°F (-62.2°C) to 450°F (232.2°C). It should not be specified for service in abrasive dynamic service or hydrocarbon fuels and oils.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. You will find this material specified across pharmaceutical manufacturing, ovens and heated equipment, and medical devices.

S70FDA238 ships individually. Unit weight is approximately 3.964 g and nominal inside diameter is listed as 3 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design.