This o-ring is supplied in AS568-276 red Silicone 70 Shore A measuring an inside diameter of 10.984 in (278.99 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 11.262 in (286.05 mm), catalogued under part number S70FDA276. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Silicone is specified here for physiological inertness and low toxicity, excellent electrical insulating properties. The compound resists many oxidizing chemicals, weathering, and dry heat. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service. It is not the right choice where concentrated acids or abrasive dynamic service are present.
The compound meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. You will find this material specified across sanitary process lines, food and beverage processing, and electronics and electrical enclosures.
Stocked as S70FDA276 and sold individually. Unit weight is approximately 11.998 g and nominal inside diameter is listed as 11 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description -276 RED SILICONE 70D FDA O-RING
uf_description2 COMPLIANT TO 21CFR SEC 177-2600, 0.139" (3.53MM) CS X 10.984" (278.99MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 10.984 inch (278.99 mm)
Actual_OD 11.262 inch (286.05 mm)
ProductCode Description O-Rings - FDA / Metal Detectable