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ASTM D5230-21

Historical Revision

Standard Test Method for Carbon Black—Automated Individual Pellet Hardness

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1.1 This test method covers a procedure for measuring individual pellet hardness of carbon black by the automated pellet hardness tester.

1.2 The values stated in SI units are to be regarded as the standard. The values 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, 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.


4.1 Individual pellet hardness is related to several carbon black characteristics. Among these are mass strength and attrition. The subsequent level of dispersion obtained in some mixed compounds containing the carbon black may be affected by pellet hardness. Acceptable pellet hardness must be agreed to by the user and the producer.

SDO ASTM: ASTM International
Document Number D5230
Publication Date Nov. 1, 2021
Language en - English
Page Count 5
Revision Level 21
Supercedes
Committee D24.51
Publish Date Document Id Type View
Nov. 1, 2021 D5230-21E01 Revision
Nov. 1, 2021 D5230-21 Revision
Dec. 1, 2019 D5230-19 Revision
Sept. 1, 2014 D5230-14E01 Revision
Sept. 1, 2014 D5230-14 Revision
Jan. 1, 2013 D5230-13 Revision
Aug. 15, 2012 D5230-12A Revision
July 1, 2012 D5230-12 Revision
June 15, 2010 D5230-10 Revision
Jan. 1, 2009 D5230-09E01 Revision
Jan. 1, 2009 D5230-09 Revision
Dec. 1, 2005 D5230-05 Revision
Jan. 1, 2004 D5230-04E01 Revision
Jan. 1, 2004 D5230-04 Revision
July 10, 2003 D5230-03 Revision
May 10, 2000 D5230-00E02 Revision
May 10, 2000 D5230-00E01 Revision
May 10, 2000 D5230-00 Revision