568-331 FEP ENCAPSULATED SILICONE

APG stocks the TES70331, an AS568-331 red PTFE-Encapsulated Silicone 70 Shore A O-Ring built to an inside diameter of 2.225 in (56.52 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.645 in (67.18 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. This item is further identified as ORING 70 Durometer.

As a material, PTFE-Encapsulated Silicone is widely chosen for strong resistance to permeation and excellent recovery across extreme temperature cycling. The compound resists wide temperature swings, nearly all process chemicals, and strong acids and solvents. Service temperature is rated from -75°F (-59.4°C) through 400°F (204.4°C).

Common environments for this compound include food and beverage processing, cryogenic and high-temperature equipment, and chemical processing.

This item is sold individually under part number TES70331. Nominal inside diameter is listed as 2 1/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.