Standard Specification for
Chemical Admixtures for Concrete1
This standard is issued under the fixed designation C 494/C 494M; 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
Click below to download Astm C 494/C 494M – 04 Pdf free
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Click here to Astm C 492 – 92 (Reapproved 2003)Pdf free download