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173 views
05:10 May-03-2006
Woo Wing Keat
Holiday Test - Artificial Pinhole

Hi, I'm Woo and a newbie here.

I'm trying to find out what the diameter should it be for the artificial pinhole(s) in a calibration of Holiday Test.

I've refered to ASTM G62-87 Standard Test Methods for Holiday Detection in Pipeline Coatings (Reapproved 1992) and it's not stated there.

Anyone, please reply. Thanks!


 


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