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About This Item
Full Description
No formal correlation has been established between the viscosity loss, or the absence of viscosity loss, obtained using the procedures described in this International Standard and that of oils and fluids in actual service. However, it provides standardized conditions for the evaluation of polymer stability under minimized thermal and oxidative stresses. It is normally used by manufacturers of fluids and additives, and users, as a means of ranking existing and potential formulations.
NOTE Changes to properties other than viscosity are specified in some specifications, but these are not covered by the procedures specified in this International Standard.
Cross References:
ISO 3170:2004 Ed 3
ISO 4113:2010 Ed 3
ISO 3104:1994 ISO 11158:2009 Ed 2
ISO 12922:2012 ED2
ISO 6743-4:1999 (R10)
DIN 51382:1996
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS EN ISO 20844:2015
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Petroleum and related products. Determination of the shear stability of polymer-containing oils using a diesel injector nozzle- Most Recent
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BS EN ISO 20844:2004
Petroleum and related products. Determination of the shear stability of polymer-containing oils using a diesel injector nozzle- Historical Version