ASTM-D4948 2012

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D4948-89(2012) Standard Test Method for Determination of the Upper Layer Separated from a Viscous Liquid

Published By	Publication Date	Number of Pages
ASTM	2012	2

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Description

ASTM D4948-89-Reapproved2012

Historical Standard: Standard Test Method for Determination of the Upper Layer Separated from a Viscous Liquid

ASTM D4948

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.

Keywords

upper layer; viscous liquid

ICS Code

ICS Number Code 07.030 (Physics. Chemistry)

DOI: 10.1520/D4948-89R12

Additional information

Standard Title	D4948-89(2012) Standard Test Method for Determination of the Upper Layer Separated from a Viscous Liquid
Published Code	ASTM
Publication Date	2012
Pages Count	2