ISO 26422:2014
Petroleum and related products — Determination of shear stability of lubricating oils containing polymers — Method using a tapered roller bearing
ISO 26422:2014 specifies a method of determining the shear stability of polymer-containing lubricating oils by the four-ball machine as specified in ISO 20623, but using a tapered roller bearing. The test results allow prediction of the in-service permanent viscosity loss.
NOTE Other International Standards exist which evaluate viscosity loss of polymer-containing oils. The method specified within this International Standard subjects fluids to a higher shear rate than, for example, the diesel injector nozzle shear test described within ISO 20844.[3] It is particularly appropriate for lubricants being used in high shear applications, such as components with gears and roller bearings. In such applications, the shear rate in the ISO 20844 test method can be too low to generate a realistic permanent loss in viscosity of the fluid.
| Get this standard | Prices exclude GST | |
|---|---|---|
| PDF ( Single user document) |
$91.24 NZD
|
|
| HardCopy |
$91.24 NZD
|
|
| Networkable PDF |
Price varies
|
Keep me up-to-date
Sign up to receive updates when there are changes to this standard
Related Information
Similar Standards
-
BS 2000-112:2005+A1:2014
Methods of test for petroleum and its products, Determination of corrosiveness to copper of lubricating grease. Copper strip method
-
BS 2000-121:2005+A1:2014
Methods of test for petroleum and its products, Determination of oil separation from lubricating grease. Pressure filtration method
-
BS 2000-132:1996
Methods of test for petroleum and its products, Petroleum products. Lubricating grease. Determination of dropping point
-
BS 2000-137:1993
Methods of test for petroleum and its products, Determination of oil content of water mix metalworking oil dilutions