Standard Practice for
Making Reference Glass-Metal Butt Seals and Testing for
Expansion Characteristics by Polarimetric Methods1
This standard is issued under the fixed designation F 140; 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 parenthesis
Click below to download Astm F 140 – 98 (Reapproved 2003) Pdf free
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Click here to Astm F 139 – 03 Pdf free download