-389 RED SILICONE 70D O-RING

The S70389 is an AS568-389 red Silicone 70 Shore A O-Ring supplied with an inside diameter of 19.953 in (506.81 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 20.373 in (517.47 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.

This material stands up to ozone and UV exposure, extreme heat and cold, and dry heat. That behavior comes from the compound itself: Silicone is known for physiological inertness and low toxicity, flexibility that holds at very low temperatures. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service. Verify compatibility before use with concentrated acids or hydrocarbon fuels and oils.

It sees regular use in food and beverage processing, medical devices, and pharmaceutical manufacturing.

This item is sold individually under part number S70389. Unit weight is approximately 49.66 g and nominal inside diameter is listed as 20 inch. Review your operating media and conditions against this specification before installation.