Standard Active Last Updated: Feb 16, 2023 Track Document
ASTM B527-23

Standard Test Method for Tap Density of Metal Powders and Compounds

Standard Test Method for Tap Density of Metal Powders and Compounds B0527-23 ASTM|B0527-23|en-US Standard Test Method for Tap Density of Metal Powders and Compounds Standard new BOS Vol. 02.05 Committee B09
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Significance and Use

4.1 This test method covers the evaluation of the tap density physical characteristic of metal powders and related compounds. The measured tap density bears a relationship to the mass of powder that will fill a fixed volume die cavity or other container in situations where the container is tapped, vibrated, or otherwise agitated. The degree of correlation between the results of this test method and the quality of powders in use will vary with each particular application and has not been fully determined.


1.1 This test method specifies a method for the determination of tap density (packed density) of metal powders and compounds, that is, the density of a powder that has been tapped, to settle contents, in a container under specified conditions.

1.2 Units—With the exception of the values for density and the mass used to determine density, for which the use of the gram per cubic centimetre (g/cm3) and gram (g) units is the long-standing industry practice, the values in SI units are to be regarded as standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Book of Standards Volume: 02.05
Developed by Subcommittee: B09.03
Pages: 4
DOI: 10.1520/B0527-23
ICS Code: 77.160