Standard Test Method for
Measuring the Relative Stiffness of Leather by Means of a
Torsional Wire Apparatus1

This standard is issued under the fixed designation D 2821; 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 2821 – 00 pdf free

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Click here to download Astm D 2817 – 91 (Reapproved 2001) Pdf Free Download