BS 4459:1978
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Method for calculating viscosity index of petroleum products and lubricants from kinematic viscosity
Hardcopy , PDF
31-03-1995
English
28-02-1978
Calculation based on kinematic viscosity determined at 40°C and 100°C. Substantially the same as joint method ASTM D2270-75:IP 226/77.
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