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ASTM D2422-97

Historical Revision

Standard Classification of Industrial Fluid Lubricants by Viscosity System

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1.1 This classification is applicable to all petroleum-base fluid lubricants and to those nonpetroleum materials which may be readily blended to produce fluid lubricants of a desired viscosity, that is, lubricants for bearings, gears, compressor cylinders, hydraulic fluids, etc.

1.2 This classification is applicable to fluids ranging in kinematic viscosity from 2 to 1500 cSt (mm /s) as measured at a reference temperature of 40°C. Expressed in approximate equivalents, the range would be 32 to 7000 SUS. In the category of petroleum-base fluids, this covers the range from kerosine to heavy cylinder oils.

1.3 Fluids of either lesser or greater viscosity than the range described in 1.2 are at present seldom used as industrial lubricants. Should industrial practices change, then this system, based on a mathematical series of numbers, may be extended to retain its orderly progression.


SDO ASTM: ASTM International
Document Number D2422
Publication Date June 10, 1997
Language en - English
Page Count 2
Revision Level 97
Supercedes
Committee D02.L0
Publish Date Document Id Type View
May 1, 2024 D2422-24 Revision
June 10, 1997 D2422-97 Revision
Oct. 1, 2018 D2422-97R18 Reaffirmation
May 1, 2013 D2422-97R13 Reaffirmation
May 1, 2007 D2422-97R07 Reaffirmation
June 10, 1997 D2422-97R02 Reaffirmation