568-218 PTFE ORINGS FDA

This o-ring is supplied in AS568-218 white PTFE (Teflon) 55 Shore D measuring an inside diameter of 1.234 in (31.34 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.512 in (38.4 mm), catalogued under part number TFE218. It remains the most cost-effective sealing element available for pressurized assemblies.

This material stands up to nearly all industrial chemicals, solvents, and steam. PTFE (Teflon) is valued for near-universal chemical inertness and one of the lowest coefficients of friction of any solid. Continuous operating temperature is published at -65°F (-53.9°C) to 500°F (260°C). Verify compatibility before use with service requiring elastic recovery or elemental fluorine at temperature.

Common environments for this compound include food and beverage, semiconductor fabrication, and pharmaceutical and biotech.

This item is sold individually under part number TFE218. Nominal inside diameter is listed as 1 1/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.