for the viscosity at 100AdC (212AdF) for all grades of oil, and at -5 to -35AdC for W grades, and at 150AdC under high shear conditions, for multi-grade conditions. ... based on a measured viscosity using the Cold Cranking Simulator (ASTM D 2602) and the Mini-Rotary Viscometer (ASTM D 3829). ... Originally, the API defined the type of service for which an engine oil was designed, and the aquot;MSaquot; sequence testsanbsp;...
|Title||:||The Significance of Tests of Petroleum Products|
|Author||:||ASTM Committee D-2 on Petroleum Products and Lubricants|
|Publisher||:||ASTM International - 1949|