Standard Specification for Air-Entraining Admixtures for Concrete

SCOPE
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 SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

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09-Aug-2001
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ASTM C260-00 - Standard Specification for Air-Entraining Admixtures for Concrete
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: C 260 – 00
Standard Specification for
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Air-Entraining Admixtures for Concrete
This standard is issued under the fixed designation C 260; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
concrete proposed for the specific work, because the effect produced by
1. Scope
the air-entraining admixture may vary with the properties of the other
1.1 This specification covers materials proposed for use as
ingredients of the concrete.
air-entraining admixtures to be added to concrete mixtures in
4.2 Requirements for establishing compositional or chemi-
the field.
cal equivalence of a subsequent lot relative to a previous lot
1.2 The values stated in SI units are to be regarded as the
that was subjected to quality tests and found to comply with the
standard. The values given in parentheses are for information
requirements of 5.1 shall be determined if agreed upon by the
only.
purchaser and the manufacturer. At the request of the pur-
1.3 The text of this specification references notes and
chaser, the manufacturer shall recommend appropriate test
footnotes which provide explanatory material. These notes and
procedures, such as infrared spectrophotometry (I.R.), pH
footnotes (excluding those in tables and figures) shall not be
value and solids content, for establishing the equivalence of
considered as requirements of the standard.
materials from different lots or different portions of the same
2. Referenced Documents lot.
2.1 ASTM Standards:
NOTE 2—Ultraviolet light absorption (UV) of solutions and infrared
C 183 Practice for Sampling and the Amount of Testing of
spectroscopy of dried residues have been found to be valuable for these
2
purposes. The specific procedures to be employed and the criteria to
Hydraulic Cement
establish equivalence should be stipulated with due regard to the compo-
C 185 Test Method for Air Content of Hydraulic Cement
2 sition and properties of the sample.
Mortar
C 233 Test Method for Air-Entraining Admixtures for Con- 4.3 At the request of the purchaser, the manufacturer shall
3
state in writing the chloride content of the air-entraining
crete
admixture and whether or not chloride was added during its
3. Terminology
manufacture.
3.1 Definitions of Terms Specific to This Standard:
NOTE 3—Admixtures that contain chlorides may accelerate corrosion
3.1.1 air-entraining admixture, n—for the purpose of this
of embedded metals.
specification, a material that is used as an ingredient of
concrete, added to the batch immediately before or during its 5. Optional Uniformity Requirements
mixing, for the purpose of entraining air.
5.1 A series of two or more samples from a manufacturing
lot will be considered sufficiently uniform to be properly
4. General Requirements
composited into a single sample for quality testing provided
4.1 At the request of the purchaser, the manufacturer shall
they do not differ more than the amounts indicated in 5.4.
state in writing that the air-entraining admixture supplied for
5.2 A subsequent sample or composite sample shall be
use in the work is essentially identical in concentration,
considered in compliance with these requirements, so long as
composition, and performance to the air-entraining admixture
they differ from the original sample, tested to the requirements
tested under this specification.
of 6.1, by no more than the amounts listed in 5.4, and provided
that any additional optional, appropriate tests, such as infrared
NOTE 1—It is recommended that, whenever practicable, tests with the
spectroscopy and ultraviolet light absorption, referred to in 4.2,
air-entraining admixture be made using all of the ingredients of the
also meet pre-agreed requirements.
5.3 Determinations of uniformity shall be made in accor-
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dance with the procedures given in the sections “Check Tests
This specification is under the jurisdiction of ASTM Committee C09 on
Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee
for Uniformity” and “Procedure for Residue by Oven Drying”
C09.23 on Chemical Admixtures.
of Test Method C 233.
Current edition approved Jan. 10, 2000. Published April 2000. Originally
5.4 Allowable differences in results of uniformity determi-
published as C 260 – 50 T. Last previous edition C 260 – 98.
2
Annual Book of ASTM Standards, Vol 04.01.
nations shall not exceed the following amounts:
3
Annual Book of ASTM Standards, Vol 04.02.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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