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Significance and Use
The rate of evaporation of volatile liquids from a solution or dispersion is important because it affects the rate of deposition of a film and flow during deposition, and thereby controls the structure and appearance of the film. In the formulation of paints and related products, solvents are chosen based on the evaporation characteristics appropriate to the application technique and the curing temperature.
1.1 These test methods cover the determination of the rate of evaporation of volatile liquids of low viscosity using the Shell thin-film evaporometer. These test methods have been applied to a wide range of volatile liquids, including paint, varnish, and lacquer solvents and thinners to various hydrocarbons and to insecticide spray-base oils.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D891 Test Methods for Specific Gravity, Apparent, of Liquid Industrial Chemicals
E1 Specification for ASTM Liquid-in-Glass Thermometers
ICS Number Code 71.040.40 (Chemical analysis)
UNSPSC Code 31210000(Paints and primers and finishes)