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ASTM D7109-18 + Redline
Standard Test Method for Shear Stability of Polymer-Containing Fluids Using a European Diesel Injector Apparatus at 30 Cycles and 90 CyclesMore info
1.1 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 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. Viscosity loss is evaluated after both 30 cycles and 90 cycles of shearing.
Note 1: This test method evaluates the shear stability of oils after both 30 cycles and 90 cycles of shearing. For most oils, there is a correlation between results after 30 cycles and results after 90 cycles of shearing, but this is not universal.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 17.060 : Measurement of volume, mass, density, viscosity |
| Number of pages | 8 |
| Replace | ASTM D7109-12 + Redline |
| Set | ASTMVOL0504 |
| Year | 2018 |
| Document history | ASTM D7109-12 + Redline |
| Country | USA |
| Keyword | ASTM 7109;ASTM D7109;ASTM D7109;10.1520/D7109-18 |