2MM CS X 21MM ID RED SILICONE 70D

This o-ring is supplied in red Silicone 70 Shore A supplied with an inside diameter of 21 mm (0.827 in), a cross section of 2 mm (0.079 in), and an outside diameter of 25 mm (0.98 in), catalogued under part number SFDA2X21. It creates a positive seal at flange, piston and rod interfaces without added hardware. The catalog record notes: FDA Compliant TO 21CFR Sec 177-2600, Metric O-RING.

Silicone is specified here for very good compression set resistance across its range and flexibility that holds at very low temperatures. It resists dry heat, many oxidizing chemicals, 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 hydrocarbon fuels and oils or concentrated acids are present.

This o-ring meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. You will find this material specified across electronics and electrical enclosures, sanitary process lines, and medical devices.

Reference part number SFDA2X21 when ordering; the item is sold individually. Unit weight is approximately 0.0064 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.