568-143 PTFE ORINGS FDA

This o-ring is supplied in AS568-143 white PTFE (Teflon) 55 Shore D with an inside diameter of 2.425 in (61.6 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.631 in (66.83 mm), catalogued under part number TFE143. It delivers dependable bidirectional sealing in a compact groove envelope.

PTFE (Teflon) is specified here for near-universal chemical inertness and non-stick, non-contaminating surface characteristics. Expect good resistance to solvents, nearly all industrial chemicals, and strong acids and bases. The material carries a published service range of -65°F (-53.9°C) to 500°F (260°C). Applications involving elemental fluorine at temperature or molten alkali metals call for a different compound.

Typical settings include pharmaceutical and biotech, laboratory equipment, and semiconductor fabrication.

Stocked as TFE143 and sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.