ASTM International - ASTM D4948-89(2012)
Standard Test Method for Determination of the Upper Layer Separated from a Viscous Liquid
| Organization: | ASTM International |
| Publication Date: | 1 June 2012 |
| Status: | inactive |
| Page Count: | 2 |
| ICS Code (Physics. Chemistry): | 07.030 |
significance And Use:
4.1 The United Nations Committee of Experts on the Transport of Dangerous Goods in their recommended regulations place materials having a flash point below 23°C (73.5°F) in Packing Group II.... View More
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 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 Goods2 for the placement of flammable viscous liquids into packing groups related to flash points (See 4.1).
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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.
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