--- Stefan Trethan <
stefan_trethan@...> wrote:
...
> > 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?
this 'you' was meant plural (general), not personal to Stefan...
some chemist in the group? does somebody know a chemist to ask?
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