APG stocks the TES70040, an AS568-040 red PTFE-Encapsulated Silicone 70 Shore A O-Ring measuring an inside diameter of 2.864 in (72.75 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.004 in (76.3 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Supplementary detail from the product record: ORING 70 Durometer.
PTFE-Encapsulated Silicone is valued for a seamless PTFE jacket over a resilient silicone core and chemical inertness of PTFE with the wide temperature range of silicone. Expect good resistance to strong acids and solvents, wide temperature swings, and steam. Continuous operating temperature is published at -75°F (-59.4°C) to 400°F (204.4°C).
You will find this material specified across pharmaceutical manufacturing, chemical processing, and cryogenic and high-temperature equipment.
This item is sold individually under part number TES70040. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 568-040 FEP ENCAPSULATED SILICONE
uf_description2 ORING 70 DUROMETER
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 2.864 inch (72.75 mm)
Actual_OD 3.004 inch (76.3 mm)
ProductCode Description O-Rings - Bulk - Premium