ASTM-D4948 › Standard Test Method for Determination of the Upper Layer Separated from a Viscous Liquid
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Scope
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-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).1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.
Keywords
upper layer; viscous liquid; ICS Number Code 07.030 (Phys. Chemistry)
To find similar documents by ASTM Volume:
06.01 (Paint -- Tests for Chemical, Physical, and Optical Properties; Appearance)
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Document Number
ASTM-D4948-89R22
Revision Level
1989 R22 EDITION
Status
Current
Modification Type
Editorially changed
Publication Date
Dec. 9, 2022
Document Type
Test Method
Page Count
2 pages
Committee Number
D01.21