ASTM D1765-23b

Standard Classification System for Carbon Blacks Used in Rubber Products

ASTM International , 12/15/2023

Publisher: ASTM

File Format: PDF

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Description

Standard By:ASTM International , 12/15/2023

Published:12/15/2023

Pages:5

File Size:1 file , 260 KB

Language:English

Note:This product is unavailable in Russia, Ukraine, Belarus

1.1This 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.

1.2All 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 ASTM classification numbers ("N" or "S" designation) not listed in Table 1 have either been withdrawn or are not currently assigned.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

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

1.4This 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.

1.5This 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.

ASTM D1765-23b

Standard Classification System for Carbon Blacks Used in Rubber Products

ASTM D1765-23b History

ASTM D1765-23

ASTM D1765-23b

ASTM D1765-21

ASTM D1765-18

ASTM D1765-17

ASTM D1765-14

ASTM D1765-10

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