568-418 FEP ENCAPSULATED SILICONE

This o-ring is supplied in AS568-418 red PTFE-Encapsulated Silicone 70 Shore A built to an inside diameter of 3.6 in (91.44 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.15 in (105.41 mm), catalogued under part number TES70418. It remains the most cost-effective sealing element available for pressurized assemblies. This item is further identified as ORING 70 Durometer.

PTFE-Encapsulated Silicone is specified here for chemical inertness of PTFE with the wide temperature range of silicone and non-contaminating, non-stick sealing surface. The compound resists steam, wide temperature swings, and nearly all process chemicals. Rated temperature range runs from -75°F (-59.4°C) to 400°F (204.4°C) in continuous service.

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

TES70418 ships individually. Nominal inside diameter is listed as 3 5/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.