*568-458 FEP ENCAPSULATED SILICONE

Part number TES70458 is an AS568-458 red PTFE-Encapsulated Silicone 70 Shore A O-Ring measuring an inside diameter of 14.475 in (367.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 15.025 in (381.64 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. The catalog record notes: ORING 70 Durometer.

It resists strong acids and solvents, nearly all process chemicals, and steam. That behavior comes from the compound itself: PTFE-Encapsulated Silicone is specified for a seamless PTFE jacket over a resilient silicone core and excellent recovery across extreme temperature cycling. Service temperature is rated from -75°F (-59.4°C) through 400°F (204.4°C). Verify compatibility before use with installation over sharp edges or tight-radius dynamic flexing.

It sees regular use in cryogenic and high-temperature equipment, pharmaceutical manufacturing, and chemical processing.

Order part number TES70458, sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.