Test Method for Measurement of Extreme-Pressure Properties of Lubricating Grease (Four-Ball Method)
1.1 This test method covers the determination of the load-carrying properties of lubricating greases. Two determinations are made:
1.1.1 Load-Wear Index (formerly called Mean-Hertz Load), and
1.1.2 Weld Point, by means of the Four-Ball Extreme-Pressure (EP) Tester.
REAL Services 700 Portage Trail Cuyahoga Falls, OH 44221.3057
voice: 330.630.3700 fax: 330.630.3733
© 1995-2005 REAL Services® All Rights Reserved