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About This Item
Full Description
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.
Document History
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ASTM D6278-20a
Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus- Most Recent
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ASTM D6278-20
Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus- Historical Version
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ASTM D6278-17e1
Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus- Historical Version
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ASTM D6278-17
Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus- Historical Version
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ASTM D6278-12e1
Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus- Historical Version
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ASTM D6278-07
Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus- Historical Version
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ASTM D6278-02
Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus- Historical Version
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ASTM D6278-98
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Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus- Historical Version