Motor oils. Part 2: Viscosity index
Viscosity is a characteristic of a material that characterizes the resistance of a liquid to spreading. The higher the viscosity, the slower the liquid spreads and the denser the liquid is considered to be.
Viscosity is a characteristic of a material that characterizes the resistance of a liquid to spreading. The higher the viscosity, the slower the liquid spreads and the denser the liquid is considered to be.
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