ASTM D4049 - Determining the Resistance of Lubricating Grease to Water Spray

Significance and Use

5.1 This test method is used to evaluate the ability of a grease to adhere to a metal surface when subjected to direct water spray. The results obtained from the use of this test method suggest correlation in operations involving direct water spray impingement such as steel mill roll neck bearing service. This test method is used for quality control and purchase specifications.

Scope

1.1 This test method covers the ability of a grease to adhere to a metal surface when subjected to a water spray under prescribed laboratory conditions.

Extracted, with permission, from ASTM D4049-20 - Determining the Resistance of Lubricating Grease to Water Spray, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard may be purchased from ASTM International, astm.org