-243 RED SILICONE 70D FDA O-RING

APG stocks the S70FDA243, an AS568-243 red Silicone 70 Shore A O-Ring with an inside diameter of 4.109 in (104.37 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.387 in (111.43 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Expect good resistance to extreme heat and cold, ozone and UV exposure, and dry heat. Silicone delivers an exceptionally wide service temperature range and very good compression set resistance across its range. Continuous operating temperature is published at -80°F (-62.2°C) to 450°F (232.2°C). It should not be specified for service in steam above its rated range or hydrocarbon fuels and oils.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. Typical settings include medical devices, food and beverage processing, and ovens and heated equipment.

Reference part number S70FDA243 when ordering; the item is sold individually. Unit weight is approximately 4.62 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.