Research Report RR:D02-1198
An International program was completed in 1983 for standard D445, in which tests were carried out on 14 opaque oils and 1 clear oil. The tests were carried out at three different temperature's, namely 50, 80 and 100°C. The corresponding numbers of aboratories which completed tests at these temperatures were 15, 35 and 37.
D445-15a Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants
Subcommittee D02.07 on Flow Properties