ASTM D2783 - Measurement of Extreme-Pressure Properties of Lubricating Fluids (Four-Ball Method)
We perform lubricants testing by ASTM D2783 to measure the load-carrying properties of lubricating fluids; this is the four-ball extreme pressure test. This test method differentiates between lubricating fluids having low, medium, and high level of extreme-pressure properties.
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For additional information on this test method or to purchase a copy of the method, please click HERE to open a new window and visit the ASTM website.