Standard Practice for
Evacuated Reflective Insulation In Cryogenic Service1
This standard is issued under the fixed designation C 740; 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 Astm C 740 – 97 (Reapproved 2004) pdf free download
click here Astm C 739 – 03 pdf free download