IS 9466 : 2020 Viscosity Classification For Industrial Liquid Lubricants
Revised Standard from Last Update.
1 SCOPE
1.1 This Indian standard establishes a system of viscosity classification for industrial liquid lubricants and related fluids. This includes mineral oils used as lubricants, hydraulic fluids, gear lubricants, compressor lubricants, electrical oils and for other applications.
The usual method for kinematic viscosity determination is that specified in IS 1448 (Part 25/Sec 1), but this may give anomalous results when used with non-Newtonian fluids (that is, those whose coefficient of viscosity varies significantly with rate of shear). For such fluids it is, therefore, important to state the particular method by which viscosity has been determined.
1.2 It is also recognized that there may be some pure chemicals and naturally occurring products, used as lubricants, which may not fall within this classification.
2 REFERENCES
The following standards contain provisions, which through reference in this text constitute the provisions of the standard. At the time of publication, the editions indicated was valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below:
1448 [P : 25/Sec 1] : 2018/ ISO 3104 : 1994 Methods of tests for petroleum and its products Determination of kinematic and dynamic viscosity (second revision)