ASTM D4948-89(2016)
- Standard Test Method for Determination of the Upper Layer Separated from a Viscous Liquid
- standard by ASTM International, 12/01/2016
- Category: ASTM
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1.1 This test method covers the determination of the amount of liquid separated as an upper layer in a 24-h period from viscous solutions or dispersions that contain dispersed solids such as paints, enamels, pigmented lacquers, adhesives, polishes, and other similar materials.
Note 1: The amount of clear liquid that separates during this test is one of the criteria in the United Nations Recommendations on the Transportation of Dangerous Goods for the placement of flammable viscous liquids into packing groups related to flash points (See 4.1).
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