ASTM D6022-06(2012)

Standard Practice for Calculation of Permanent Shear Stability Index

STANDARD published on 1.11.2012

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The information about the standard:

Designation standards: ASTM D6022-06(2012)
Note: WITHDRAWN
Publication date standards: 1.11.2012
SKU: NS-33462
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Measurement of volume, mass, density, viscosity

Annotation of standard text ASTM D6022-06(2012) :

Keywords:

permanent shear stability index, shear, shear stability index, viscosity loss, ICS Number Code 17.060 (Measurement of volume, mass, density, viscosity)

Additional information

Significance and Use

5.1 Permanent Shear Stability Index (PSSI) is a measure of the loss of viscosity, due to shearing, contributed by a specified additive.

5.2 The selection of appropriate base fluids and additive concentrations to be used in test oils is left to individual operators or companies. These choices will depend on the intended application for the additive.

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.

2. Referenced Documents

D4485-22e1	Standard Specification for Performance of Active API Service Category Engine Oils (Includes all amendments and changes 12/8/2022).
D2603-20	Standard Test Method for Sonic Shear Stability of Polymer-Containing Oils
D5621-20	Standard Test Method for Sonic Shear Stability of Hydraulic Fluids
D5275-20	Standard Test Method for Fuel Injector Shear Stability Test (FISST) for Polymer Containing Fluids
D5119-02	Standard Test Method for Evaluation of Automotive Engine Oils in the CRC L-38 Spark-Ignition Engine (Withdrawn 2003)
D7109-22e1	Standard Test Method for Shear Stability of Polymer-Containing Fluids Using a European Diesel Injector Apparatus at 30 Cycles and 90 Cycles (Includes all amendments and changes 12/28/2022).
D6278-20a	Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus (Includes all amendments and changes 6/16/2020).
CEC L45	T 93 Viscosity Shear Stability of Transmission Lubricants (KRL)

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