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Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

Message

electrocleaning

2004-07-31 by Adam Seychell

Has anyone tried electrocleaning PCB in say 5% sodium hydroxide, sodium 
carbonate or caustic dishwashing detergent ? Its basically two steel 
sheets on each side of the PCB. The PCB becomes -ve and steel is +ve. I 
haven't tried it to strip toner, but I've seen this method remove old 
paint. The disadvantage is you need setup a tank and power supply. 
Current density should be at least 20 mA/cm^2

Adam


mikezcnc wrote:
> Roger, it is avery good suggestion- I will try it out.
> 
> Do you know how to make plated holes at home?
> 
> Mike
> 
> --- In Homebrew_PCBs@yahoogroups.com, "Roger, in Bangkok" 
> <mercies@c...> wrote:
> 
>>Toner is basically powdered hot glue and carbon black.  I wonder if
>>chilling or freezing the board would make the toner brittle enough 
> 
> to be
>

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