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This O-ring cord is made of Buna-nitrile (also called Buna-N), round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications.
Buna-nitrile can have high tensile strength, resistance to abrasion, tear, 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, HFA, HFB, and HFC fluids, vegetable oil, alcohol, acids, and aliphatic hydrocarbons. Buna-nitrile is vulnerable to acetone, ethers, esters, ozone, sunlight, and weathering, and should therefore not be used in ozone-generating electric motors, welding equipment, or in applications with exposure to UV light.
This O-ring cord has a shore durometer of 70A. Shore durometer is the hardness of a material, and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100, with 100 indicating no indentation.
Nonna D
Reviewed in the United States on May 30, 2024
Original Gasket gets moldy over time . This product fits the lid of Zero Water filter perfectly and since the gasket needs to be replaced approximately every 60 days , I recommend this for that purpose.
Customer
Reviewed in Canada on March 17, 2024
Easily joined with a drop of crazy glue. These belts cost $25 dollars each and I can easily make five or six for only ten dollars, using this material.
Ebenezer
Reviewed in the United States on February 3, 2016
Used this to make a small drive belt for a project i made and it worked great.
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