TFE358 is an AS568-358 white PTFE (Teflon) 55 Shore D O-Ring supplied with an inside diameter of 5.6 in (142.24 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.02 in (152.91 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
PTFE (Teflon) offers near-universal chemical inertness and non-stick, non-contaminating surface characteristics. Expect good resistance to solvents, steam, and strong acids and bases. The material carries a published service range of -65°F (-53.9°C) to 500°F (260°C). Verify compatibility before use with elemental fluorine at temperature or molten alkali metals.
Typical settings include pharmaceutical and biotech, aggressive-media pipelines, and laboratory equipment.
TFE358 ships individually. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description 568-358 PTFE ORINGS FDA
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 5.6 inch (142.24 mm)
Actual Outside Diameter 6.02 inch (152.91 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium