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ASTM D6022

Standard Practice for Calculation of Permanent Shear Stability Index

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Organization: ASTM
Publication Date: 1 May 2006
Status: inactive
Page Count: 4
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.

*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...
ASTM D6022
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...
ASTM D6022
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...
ASTM D6022
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...
ASTM D6022
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

This document references:
ASTM D2603 - Standard Test Method for Sonic Shear Stability of Polymer-Containing Oils
Published by ASTM on May 1, 2020
This test method covers the evaluation of the shear stability of an oil containing polymer in terms of the permanent loss in viscosity that results from irradiating a sample of the oil in a sonic...
This document references:
ASTM D4485 - Standard Specification for Performance of Active API Service Category Engine Oils
Published by ASTM on September 1, 2020
This specification covers engine oils for light-duty and heavy-duty internal combustion engines used under a variety of operating conditions in automobiles, trucks, vans, buses, and off-highway farm,...
This document references:
ASTM D5275 - Standard Test Method for Fuel Injector Shear Stability Test (FISST) for Polymer Containing Fluids
Published by ASTM on May 1, 2020
This test method covers the measurement of the percent viscosity loss at 100 °C of polymer-containing fluids using fuel injector shear stability test (FISST) equipment. The viscosity loss reflects...
This document references:
ASTM D5621 - Standard Test Method for Sonic Shear Stability of Hydraulic Fluids
Published by ASTM on May 1, 2020
This test method covers the evaluation of the shear stability of hydraulic fluids in terms of the final viscosity that results from irradiating a sample of the hydraulic fluid in a sonic oscillator....
This document references:
ASTM D6278 - Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus
Published by ASTM on June 1, 2020
This test method covers the evaluation of the shear stability of polymer-containing fluids. The test method measures the percent viscosity loss at 100 °C of polymercontaining fluids when evaluated by...
This document references:
D7109 REV A - Standard Test Method for Shear Stability of Polymer-Containing Fluids Using a European Diesel Injector Apparatus at 30 Cycles and 90 Cycles
Published by ASTM on June 1, 2020
This test method covers the evaluation of the shear stability of polymer-containing fluids. The test method measures the viscosity loss, in mm2/s and percent, at 100 °C of polymer-containing fluids...
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