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seeking info for flux for foil
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 Posted: Fri Jul 17th, 2015 01:14 pm
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andrea
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There are several brands and types of flux for copper foil on the market.  What kind do people recommend?


 Posted: Sun Jul 19th, 2015 12:44 am
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BloodGlass
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I can't recommend a name brand but the active ingredient I prefer for foil is Zinc Chloride... I use this quite diluted with dish soap, works fantastic and cleans up nicely being soap and the zinc chloride is water dissolvable.


 Posted: Sun Jul 19th, 2015 03:39 pm
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Hope
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This sounds interesting.  Does it handle differently than straight zinc chloride, which I find sputters with bubbling.  What proportions do you use in the mix? 



 Posted: Sun Jul 19th, 2015 05:15 pm
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BloodGlass
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The proportions are something you have to experiment with yourself but it is mostly soap, you don't need as much straight flux as you may think... The only place I run into sputtering is on the back side since the flux is sealed in the joint and boils without the ability to run out the other side once it's under pressure. But to minimize this use much less flux on the back


 Posted: Sun Jul 19th, 2015 06:09 pm
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tkrepcio
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For copper foil, I use Nokorode, a paste flux that is readily available
in most hardware stores. Though it is a relatively mild zinc chloride
based flux, zinc chloride is still corrosive and I'd recommend good
ventilation, and prompt cleaning after finishing. I've used harsher
zinc chloride based fluxes in the past but don't see the benefit any more.
Tom Krepcio

Attached Image (viewed 120 times):

nokorode.jpg


 Posted: Sat Feb 13th, 2016 09:27 pm
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rufitis
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Have you tried to use stearin? it´s not corrosive and works well


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