I just talked with Tom Estock at QuadGraphics about this. I had
thought Quad had a recycling process for gravure inks that Quad was
offering to others. Tom said no. Said he really doesn't know of
any options for this except fuel blending.
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I have a client who is a former printer (gravure on polyethylene) who has about
4,500 pounds of various (3 or 4)types of Sun Chemical pigments in a solvent base.
These are left over from about two years ago when they stopped this process. They
are looking to get this material to anyone who can use it. They state that the
materials might also be used for screen printing. They might also print onto
polyester or PVC.