*568-011FEP ENCAPSULATED SILICONE

APG stocks the TES70011, an AS568-011 red PTFE-Encapsulated Silicone 70 Shore A O-Ring built to an inside diameter of 0.301 in (7.65 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.441 in (11.2 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. This item is further identified as ORING 70 Durometer.

As a material, PTFE-Encapsulated Silicone is widely chosen for a seamless PTFE jacket over a resilient silicone core and a non-contaminating, non-stick sealing surface. It resists strong acids and solvents, wide temperature swings, and steam. Service temperature is rated from -75°F (-59.4°C) through 400°F (204.4°C).

You will find this material specified across cryogenic and high-temperature equipment, pharmaceutical manufacturing, and chemical processing.

This item is sold individually under part number TES70011. Nominal inside diameter is listed as 5/16 inch. Check the compound against your process media, pressure and temperature before committing to a design.