-425 RED SILICONE 70D FDA O-RING

APG stocks the S70FDA425, an AS568-425 red Silicone 70 Shore A O-Ring built to an inside diameter of 4.475 in (113.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.025 in (127.64 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Silicone is specified for very good compression set resistance across its range, physiological inertness and low toxicity. The compound resists extreme heat and cold, many oxidizing chemicals, and ozone and UV exposure. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service. It should not be specified for service in hydrocarbon fuels and oils or steam above its rated range.

This o-ring meets FDA requirements for food contact under 21 CFR 177.2600. You will find this material specified across ovens and heated equipment, food and beverage processing, and medical devices.

Reference part number S70FDA425 when ordering; the item is sold individually. Unit weight is approximately 20.27 g and nominal inside diameter is listed as 4 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.