This o-ring is supplied in red Silicone 70 Shore A with an inside diameter of 40 mm (1.575 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 45 mm (1.77 in), catalogued under part number SFDA2.5X40. It remains the most cost-effective sealing element available for pressurized assemblies. Additional detail on this item: FDA Compliant TO 21CFR Sec 177-2600, Metric O-RING.
Silicone is specified here for very good compression set resistance across its range, physiological inertness and low toxicity. It resists extreme heat and cold, ozone and UV exposure, and dry heat. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service. Verify compatibility before use with abrasive dynamic service or hydrocarbon fuels and oils.
This item meets FDA requirements for food contact under 21 CFR 177.2600. You will find this material specified across electronics and electrical enclosures, sanitary process lines, and pharmaceutical manufacturing.
This item is sold individually under part number SFDA2.5X40. Unit weight is approximately 0.0064 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Description 2.5MM CS X 40MM ID RED SILICONE 70D
Actual Outside Diameter 45 mm (1.77 inch)
Actual Cross Section 2.5 mm (0.098 inch)
Actual Inside Diameter 40 mm (1.575 inch)
Measurement System Metric
Product Category O-Rings - FDA / Metal Detectable