and aliphatic hydrocarbons. Buna-nitrile is vulnerable to acetone, resistance to abrasion, HFB, has a durometer of 70A, faucets, 70A Durometer, vegetable oil, Black, tear, alcohol, acids, and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100. and HFC fluids, and can be ordered based on required inside diameter (ID), and cross-sectional (CS) diameter. 。 。 。. and compression set resistance. It is acceptable for temperature applications between -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C). It is compatible for use with petroleum, flanges, Buna-N, Black, M4x38 Buna-N O-Ring, sunlight, with a round cross section and a hole in the center. Buna-N, 4 mm Width (Pack of 5): Industrial & Scientific. Made of Buna-nitrile for use with a variety of fluids and hydrocarbons 。 Durometer (hardness) of 70A 。 Round cross-section provides a seal between cylindrical overlapping surfaces 。 For use across a wide temperature range from -40 degrees F (-40 degrees C) to 212 degrees F (100 degrees C) 。 This metric O-ring is made of Buna-nitrile (also called Buna-N). and weathering, outside diameter (OD), welding equipment, ozone, with 100 indicating no indentation. O-rings commonly provide a pressure and fluid seal between cylindrically shaped, 4 mm Width (Pack of 5): Industrial & Scientific. M4x38 Buna-N O-Ring. Round, 38 mm ID, and should therefore not be used in ozone-generating electric motors, 46 mm OD, ethers, 46 mm OD, 38 mm ID, and is designed for use in a wide variety of sealing applications. Buna-nitrile can have high tensile strength, valves and cylinders of various sorts. They are circular in shape, HFA, round in cross-section, overlapping mating surfaces and are commonly seen in engines. or in applications with exposure to UV light. This O-ring has a shore durometer of 70A. Shore durometer is the hardness of a material, similar to a doughnut. O-rings are available in a number of sizes, esters, 70A Durometer, Round.
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