Standard Test Method for
Free-Swelling Index of Coal1

This standard is issued under the fixed designation D 720; 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 D 720 – 91 (Reapproved 2004) Pdf free

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Click here to download Astm D 718 – 86 (Reapproved 2003) Pdf Free Download