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Re: Red dye

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  • afogassa
    I will :-)
    Message 1 of 7 , Feb 16, 2013
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      I will :-)

      --- In diy_3d_printing_and_fabrication@yahoogroups.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 diy_3d_printing_and_fabrication@yahoogroups.com
      > > <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.
      > >
      > >
      >
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