Standard Specification for
Gypsum Keene’s Cement1
This wellknown is issued below the constant designation c sixty one/c 61m; the range straight away following the designation shows the year
of unique adoption or, within the case of revision, the yr of final revision. quite a number in parentheses suggests the year of ultimate reapproval.
a superscript epsilon (e) indicates a piece of writing trade since the last revision or reapproval.
This preferred has been approved for use by way of organizations of the department of protection.
click below to download Astm C 61M – 00 pdf free
click here to download Astm C 59M – 00 pdf free