ASTM D6425-99 pdf download
1.1 This test method covers an extreme pressure (EP) lubricating oil’s coefficient of friction and its ability to protect against wear when subjected to high-frequency, linear oscilla-tion motion. The procedure is identical to that described in DIN 51834. 1.2 This test method can also be used to determine the ability of a non-EP lubricating oil […]
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