Standard Classification of
Fireclay and High-Alumina Refractory Brick1

This standard is issued under the fixed designation C 27; 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 27 – 98 (Reapproved 2002) pdf free

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Click here to download Astm C 25 – 99 Pdf Free Download