ASTM D 6022:2019

Standard Practice for Calculation of Permanent Shear Stability Index

Publication date: 2019
Original language: English
Pages: 4

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Publication date: 2019
Original language: English
Pages: 4
DOI: https://dx.doi.org/10.1520/D6022-19

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Short description

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.

ICS

17.060

DOI

https://dx.doi.org/10.1520/D6022-19

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