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ASTM D6022

Standard Practice for Calculation of Permanent Shear Stability Index

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Organization: ASTM
Publication Date: 1 December 2019
Status: active
Page Count: 4
ICS Code (Measurement of volume, mass, density, viscosity): 17.060
scope:

This practice specifies the procedure for the calculation of Permanent Shear Stability Index (PSSI) of an additive using viscosities before and after a shearing procedure.

PSSI is calculated for a single blend component and can then be used to estimate the effects of that component on finished lubricant blends.

This practice is applicable to many products and may use data from many different test methods. The calculation is presented in its most general form in order not to restrict its use.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

*A Summary of Changes section appears at the end of this standard

Document History

ASTM D6022
December 1, 2019
Standard Practice for Calculation of Permanent Shear Stability Index
This practice specifies the procedure for the calculation of Permanent Shear Stability Index (PSSI) of an additive using viscosities before and after a shearing procedure. PSSI is calculated for a...
May 1, 2006
Standard Practice for Calculation of Permanent Shear Stability Index
This practice specifies the procedure for the calculation of Permanent Shear Stability Index (PSSI) of an additive using viscosities before and after a shearing procedure. PSSI is calculated for a...
May 1, 2006
Standard Practice for Calculation of Permanent Shear Stability Index
This practice specifies the procedure for the calculation of Permanent Shear Stability Index (PSSI) of an additive using viscosities before and after a shearing procedure. PSSI is calculated for a...
November 10, 2001
Standard Practice for Calculation of Permanent Shear Stability Index
This practice specifies the procedure for the calculation of Permanent Shear Stability Index (PSSI) of an additive using viscosities before and after a shearing procedure. PSSI is calculated for a...
November 10, 1996
Standard Practice for Calculation of Permanent Shear Stability Index
1. Scope 1.1 This practice specifies the procedure for the calculation of Permanent Shear Stability Index (PSSI) of an additive using viscosities before and after a shearing procedure. 1.2 PSSI is...

References

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