ASTM D7342-15 PDF

Scope: 5.1 It is known that contamination by water can affect the shear stability of some greases in service. This test method is widely used to determine the wet shear stability of greases in service. Many grease specifications require these procedures as a wet shear stability test. No accurate correlation is established between the test results and wet shear stability of grease in actual service.

1.1 This test method covers a procedure for determining the shear stability of lubricating grease in the presence of water (wet shear stability) by a full scale grease worker. This test method is also known as the water stability test.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

ASTM D7342-15 Referenced Document

ASTM D1193 Standard Specification for Reagent Water
ASTM D217 Standard Test Methods for Cone Penetration of Lubricating Grease
ASTM D4057 Standard Practice for Manual Sampling of Petroleum and Petroleum Products
ASTM D4175 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants

2020 ASTM D7342-20 Standard Test Method for Prolonged Worked Stability of Lubricating Grease in Presence of Water (Water Stability Test)
2015 ASTM D7342-15 Standard Test Method for Prolonged Worked Stability of Lubricating Grease in Presence of Water (Water Stability Test)
2007 ASTM D7342-07 Standard Test Method for Shear Stability of Lubricating Grease in Presence of Water (Water Stability Test)