ASTM-D6278 › Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus
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Scope
1.1 This test method covers the evaluation of the shear stability of polymer-containing fluids. The test method measures the percent viscosity loss at 100ºC of polymer-containing fluids when evaluated by a diesel injector apparatus procedure that uses European diesel injector test equipment. The viscosity loss reflects polymer degradation due to shear at the nozzle.
Note 1-Test Method D 2603 has been used for similar evaluation of shear stability; limitations are as indicated in the significance statement. No detailed attempt has been undertaken to correlate the results of this test method with those of the sonic shear test method.
Note 2-This test method uses test apparatus as defined in CEC L-14-A-93. This test method differs from CEC-L-14-A-93 in the period of time required for calibration.
Note 3-Test Method D5275 also shears oils in a diesel injector apparatus but may give different results.
Note 4-This test method has different calibration and operational requirements than Test Method D 3945.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 8.
Keywords
diesel injector apparatus; mechanical shear stability; polymer containing fluid; viscosity loss; ICS Number Code 75.160.20 (Liquid fuels)
To find similar documents by ASTM Volume:
05.03 (Petroleum Products and Lubricants (III): D6138 - D6971)
To find similar documents by classification:
75.160.20 (Liquid fuels Including gasoline, diesel, kerosene, etc.)
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Document Number
ASTM-D6278-20A
Revision Level
2020A EDITION
Status
Current
Modification Type
New
Publication Date
June 16, 2020
Document Type
Test Method
Page Count
9 pages
Committee Number
D02.07