The dilute Nitric mix I use has a Spec. Gravity of 1.215 when fresh.
It goes UP as it dissolves copper.
Ancel
It goes UP as it dissolves copper.
Ancel
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Re: Mark-8 'Non-plated through holes' and 2 sided PCBs
2016-03-22 by AncelB
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2016-03-22 by AncelB