Standard Classification of
This widespread is issued underneath the fixed designation c 155; the wide variety right away following the designation shows the 12 months of
unique adoption or, in the case of revision, the 12 months of ultimate revision. a variety of in parentheses shows the yr of final reapproval. a
superscript epsilon (e) indicates an editorial change for the reason that closing revision or reapproval.
click below to download Astm C 155 – 97 (Reapproved 2002) pdf free
click here to download Astm C 151 – 00 pdf free