Standard Practices for
Determining Hermeticity of Electron Devices by Dye
Penetration1
This preferred is issued below the constant designation f 97; the wide variety without delay following the designation indicates the yr of unique
adoption or, in the case of revision, the 12 months of closing revision. a variety of in parentheses indicates the 12 months of final reapproval. a superscript
epsilon (e) suggests an editorial trade since the final revision or reapproval.
click below to download Astm F 97 – 72 (Reapproved 2002) pdf free
click here to download Astm F 96 – 77 (Reapproved 1999) pdf free