APG stocks the SFDA1X28, a red Silicone 70 Shore A O-Ring supplied with an inside diameter of 28 mm (1.102 in), a cross section of 1 mm (0.039 in), and an outside diameter of 30 mm (1.18 in). An 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.
Silicone is known for an exceptionally wide service temperature range and very good compression set resistance across its range. The material holds up against extreme heat and cold, dry heat, and weathering. Continuous operating temperature is published at -80°F (-62.2°C) to 450°F (232.2°C).
The compound meets FDA requirements for food contact under 21 CFR 177.2600. Typical settings include food and beverage processing, sanitary process lines, and electronics and electrical enclosures.
Order part number SFDA1X28, sold individually. Unit weight is approximately 0.0064 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description 1MM CS X 28MM ID RED SILICONE 70D
Actual Outside Diameter 30 mm (1.18 inch)
Actual Cross Section 1 mm (0.039 inch)
Actual Inside Diameter 28 mm (1.102 inch)
Measurement System Metric
Product Category O-Rings - FDA / Metal Detectable