Standard Classification of
Fireclay and High-Alumina Plastic Refractories and
Ramming Mixes1

This standard is issued under the fixed designation C 673; 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.

Click below to download Astm C 673 – 97 (Reapproved 2003) Pdf free downlaod

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Click here to download  Astm C 672/C 672M – 03 Pdf Free Download