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Last Updated: Dec 31, 2010
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ASTM D3539-87(2004)
Standard Test Methods for Evaporation Rates of Volatile Liquids by Shell Thin-Film Evaporometer
Standard Test Methods for Evaporation Rates of Volatile Liquids by Shell Thin-Film Evaporometer
D3539-87R04
ASTM|D3539-87R04|en-US
Standard Test Methods for Evaporation Rates of Volatile Liquids by Shell Thin-Film Evaporometer
Standard
D3539 Standard Test Methods for Evaporation Rates of Volatile Liquids by Shell Thin-Film Evaporometer>
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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.
Scope
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.
1.2 The test methods for the determination of evaporation rate using the thin-film evaporometer are:
| Sections | |
| Test Method A2,3—Manual Recording | 5-11 |
| Test Method B—Automatic Recording | 12-17 |
1.3 These test methods are limited only by the viscosity of the volatile liquid which must be sufficiently low to permit the dispensing of an accurately measured specimen from a syringe.
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in 5.2 and 5.6.