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ASTM C260/C260M-24

Current Revision

Standard Specification for Air-Entraining Admixtures for Concrete

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1.1 This specification covers materials proposed for use as air-entraining admixtures to be added to concrete mixtures in the field.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.3 The text of this specification refers to notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

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.


This specification covers materials proposed for use as air-entraining admixtures to be added to concrete mixtures in the field. The air-entraining admixture shall conform to the requirements such as initial and final time of setting, compressive strength, flexural strength, and length change (maximum shrinkage). Samples shall either be a grab sample (one obtained in a single operation) or a composite sample (one obtained by combining three or more grab samples). For the purpose of this specification, it is recognized that samples shall be taken for quality tests and uniformity tests.


SDO ASTM: ASTM International
Document Number C260
Publication Date Dec. 15, 2024
Language en - English
Page Count 4
Revision Level 24
Supercedes
Committee C09.23
Publish Date Document Id Type View
Dec. 15, 2024 C0260_C0260M-24 Revision
Dec. 15, 2010 C0260_C0260M-10A Revision
July 1, 2016 C0260_C0260M-10AR16 Reaffirmation