The Sutherland Flask is primarily used in testing the viscosity index (VI) of oils and lubricants. It is a part of the Sutherland Viscosity Test used to determine the flow characteristics of lubricants at different temperatures. The test measures the time it takes for the fluid to flow through a small orifice, providing a direct correlation to its viscosity at a given temperature.
Key features include Viscosity measurement device: It helps determine the flow characteristics of oils and lubricants. Consists of a graduated flask and a specific size orifice at the bottom, used for timing the flow of the liquid. Laboratory use: Used for determining the viscosity index of oils, helping in quality control and formulation processes. Temperature control: Usually paired with a thermostatic bath to maintain the required testing temperature.
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