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ASTM-D6022 2019

ASTM-D6022 2019

$29.79

D6022-19 Standard Practice for Calculation of Permanent Shear Stability Index

Published By Publication Date Number of Pages
ASTM 2019 4
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ASTM D6022-19

Active Standard: Standard Practice for Calculation of Permanent Shear Stability Index

ASTM D6022

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

1.3 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.

1.4 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.

Keywords

permanent shear stability index; shear; shear stability index; viscosity loss;

ICS Code

ICS Number Code 17.060 (Measurement of volume, mass, density, viscosity)

DOI: 10.1520/D6022-19

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ASTM-D6022 2019
$29.79