4MM CS X 20MM ID RED SILICONE 70D

Ordered as SFDA4X20, this is a red Silicone 70 Shore A O-Ring measuring an inside diameter of 20 mm (0.787 in), a cross section of 4 mm (0.157 in), and an outside diameter of 28 mm (1.1 in). The o-ring compresses into its gland to block fluid or gas migration across a joint. The catalog record notes: FDA Compliant TO 21CFR Sec 177-2600, Metric O-RING.

As a material, Silicone offers very good compression set resistance across its range, physiological inertness and low toxicity. This material stands up to dry heat, weathering, and ozone and UV exposure. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C). It is not the right choice where concentrated acids or steam above its rated range are present.

This item meets FDA requirements for food contact under 21 CFR 177.2600. Typical settings include food and beverage processing, electronics and electrical enclosures, and sanitary process lines.

Reference part number SFDA4X20 when ordering; the item is sold individually. Unit weight is approximately 0.0064 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.