Re: Red dye
- I will :-)
--- In email@example.com, Fernando Muñiz <spacecaptain@...> wrote:
> True that...
> We are on it, we will have the knowhow soon... watch this spot :)
> On 02/16/2013 07:49 PM, arthur2shedsj wrote:
> > --- In firstname.lastname@example.org
> > <mailto:diy_3d_printing_and_fabrication%40yahoogroups.com>, "afogassa"
> > wrote:
> > >
> > > Fernando´s red dye is setting down very fast is it normal? i´ve to
> > keep mixing it on the build tray like every 30 min or so, is it normal?
> > > it does work on keeping the light from bleading thru the layers thou.
> > >
> > Good photopolymers just like inks have more to them than just mixing a
> > few components and pigment together. How to make dispersions with a 6
> > month shelf life can be quite tricky. Dye is rather simple but
> > pigments and particles are another story. It's a narrow branch of
> > chemistry and the secrets are generally kept quiet.