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ASTM D6393

Standard Test Method for Bulk Solids Characterization by Carr Indices

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Organization: ASTM
Publication Date: 1 October 2008
Status: inactive
Page Count: 8
ICS Code (Particle size analysis. Sieving): 19.120
scope:

This test method covers an apparatus and procedures for measuring properties of bulk solids, henceforth referred to as Carr Indices.2

This test method is suitable for free flowing and moderately cohesive powders and granular materials up to 2.0 mm in size. Materials must be able to pour through a 6.0 to 8.0-mm diameter funnel outlet when in an aerated state.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

This method consists of eight measurements and two calculations to provide ten tests for Carr Indices. Each individual test or a combination of several tests can be used to characterize the properties of bulk solids. These ten tests are as follows:

Test A-Measurement of Carr Angle of Repose

Test B-Measurement of Carr Angle of Fall

Test C-Calculation of Carr Angle of Difference

Test D-Measurement of Carr Loose Bulk Density

Test E-Measurement of Carr Packed Bulk Density

Test F-Calculation of Carr Compressibility

Test G-Measurement of Carr Cohesion

Test H-Measurement of Carr Uniformity

Test I-Measurement of Carr Angle of Spatula

Test J-Measurement of Carr Dispersibility

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.

2 Carr, R.L., "Evaluating Flow Properties of Solids," Chemical Engineering, January 18, 1965, pp. 163-168.

*A Summary of Changes section appears at the end of this standard.

Document History

November 1, 2014
Standard Test Method for Bulk Solids Characterization by Carr Indices
This test method covers an apparatus and procedures for measuring properties of bulk solids, henceforth referred to as Carr Indices.2  This test method is suitable for free flowing and moderately...
ASTM D6393
October 1, 2008
Standard Test Method for Bulk Solids Characterization by Carr Indices
This test method covers an apparatus and procedures for measuring properties of bulk solids, henceforth referred to as Carr Indices.2 This test method is suitable for free flowing and moderately...
April 10, 1999
Standard Test Method for Bulk Solids Characterization by Carr Indices
1. Scope 1.1 This test method covers the apparatus and procedures for measuring properties of bulk solids, henceforth referred to as Carr Indices. 1.2 This test method is suitable for free flowing...

References

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