Homebrew PCBs

--- Stefan Trethan <stefan_trethan@...> wrote:

> ...
> Quite frankly, most of your post didn't seem to apply very much. IMO it is  
> probably the resin or binder, not the pigments, doing the resisting.
> 

I know from experience that I can pigment different ways (plastics coloring). 
for example: I can get 'orange' with a very little red pigment, but need a lot
of factory orange for a similar result. both have pros and cons.
can you tell why the yellow ink works and black not? 
completely different formulas, or only different pigments?
why would they have different ingredients besides the color?

OTOH is there a way of finding out what this -resin or binder- is?



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