This standard has been revised byISO 26422:2014
Abstract
ISO 26422:2011 specifies a method of determining the shear stability of polymer-containing lubricating oils, including pressure fluids, by the four-ball tester as specified in ISO 20623, but using a tapered roller bearing. The test results allow prediction of the in-service permanent viscosity loss.
General information
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Status : WithdrawnPublication date : 2011-03
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Edition : 1Number of pages : 9
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Technical Committee:Petroleum and related products, fuels and lubricants from natural or synthetic sources
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- ICS :
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Lubricants, industrial oils and related products
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