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ASTM D1765-19

Historical Revision

Standard Classification System for Carbon Blacks Used in Rubber Products

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1.1 This classification system covers the classification of rubber-grade carbon blacks by the use of a four-character nomenclature system. The first character gives some indication of the influence of the carbon black on the rate of cure of a typical rubber compound containing the black. The second character gives information on the average surface area of the carbon black. The last two characters are assigned arbitrarily.

1.2 All rubber-grade carbon blacks for which a number is currently assigned at the time of publication of this classification system are listed in Table 1 together with some of their typical properties. ASTM classification numbers (“N” or “S” designation) not listed in Table 1 have either been withdrawn or are not currently assigned. The use of inactive or unassigned N or S designations is prohibited until such a time as the designation is officially reactivated or assigned by Subcommittee D24.41

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.4 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.

1.5 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.


SDO ASTM: ASTM International
Document Number D1765
Publication Date Dec. 1, 2019
Language en - English
Page Count 5
Revision Level 19
Supercedes
Committee D24.41
Publish Date Document Id Type View
Dec. 15, 2023 D1765-23B Revision
April 1, 2023 D1765-23A Revision
Feb. 1, 2023 D1765-23 Revision
Dec. 1, 2022 D1765-22 Revision
May 1, 2021 D1765-21 Revision
Dec. 1, 2019 D1765-19 Revision
Nov. 1, 2018 D1765-18 Revision
May 1, 2017 D1765-17 Revision
June 1, 2016 D1765-16 Revision
June 1, 2014 D1765-14 Revision
July 1, 2013 D1765-13 Revision
Jan. 1, 2010 D1765-10 Revision
Aug. 1, 2006 D1765-06 Revision
Oct. 1, 2005 D1765-05AE01 Revision
Oct. 1, 2005 D1765-05A Revision
May 1, 2005 D1765-05 Revision
July 1, 2004 D1765-04A Revision
Jan. 1, 2004 D1765-04E01 Revision
Jan. 1, 2004 D1765-04 Revision
Jan. 10, 2003 D1765-03 Revision
Jan. 10, 2001 D1765-01E01 Revision
Jan. 10, 2001 D1765-01 Revision
Jan. 10, 2001 D1765-00A Revision