-277 RED SILICONE 70D FDA O-RING

Ordered as S70FDA277, this is an AS568-277 red Silicone 70 Shore A O-Ring built to an inside diameter of 11.484 in (291.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 11.762 in (298.75 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

It resists weathering, dry heat, and many oxidizing chemicals. Silicone is valued for very good compression set resistance across its range and excellent electrical insulating properties. 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 hydrocarbon fuels and oils or concentrated acids.

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

Stocked as S70FDA277 and sold individually. Unit weight is approximately 12.54 g and nominal inside diameter is listed as 11 1/2 inch. Review your operating media and conditions against this specification before installation.