1.8MM CS X 12.5MM ID RED SILICONE 70D

Part number SFDA1.8X12.5 is a red Silicone 70 Shore A O-Ring measuring an inside diameter of 12.5 mm (0.492 in), a cross section of 1.8 mm (0.071 in), and an outside diameter of 16.1 mm (0.63 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. The catalog record notes: FDA Compliant TO 21CFR Sec 177-2600, Metric O-RING.

Silicone is specified here for flexibility that holds at very low temperatures, physiological inertness and low toxicity. The compound resists many oxidizing chemicals, dry heat, and weathering. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C). It should not be specified for service in hydrocarbon fuels and oils or steam above its rated range.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. Maintenance and OEM teams specify it across food and beverage processing, sanitary process lines, and pharmaceutical manufacturing.

Stocked as SFDA1.8X12.5 and sold individually. Unit weight is approximately 0.0064 g. Check the compound against your process media, pressure and temperature before committing to a design.