568-028 GREEN HNBR (HSN) 70 ORINGS

HS70028 is an AS568-028 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring measuring an inside diameter of 1.364 in (34.65 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.504 in (38.2 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to sour gas and amine inhibitors, ozone and weathering, and modern refrigerants. HNBR (Hydrogenated Nitrile) is known for strong resistance to rapid gas decompression and the oil resistance of nitrile with substantially better heat capability. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C). Applications involving esters or ketones call for a different compound.

Typical settings include heavy-duty powertrain, automotive air conditioning, and commercial refrigeration.

This item is sold individually under part number HS70028. Nominal inside diameter is listed as 1 3/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.