Standard Test Method for
Flex Durability of Flexible Barrier Materials1
This preferred is issued beneath the fixed designation f 392; the number at once following the designation suggests the year of
unique adoption or, within the case of revision, the year of closing revision. more than a few in parentheses shows the year of ultimate reapproval. a
superscript epsilon (e) indicates a piece of writing change because the ultimate revision or reapproval.
click below to download Astm F 392 – 93 (Reapproved 2004) pdf free
click here to download Astm F 390 – 98 (Reapproved 2003) pdf free