Digital BW, The Print

On 9/23/02 10:56 AM, "Ernst Dinkla" <E.Dinkla@...> wrote:

> We print quite a lot of different varnishes. UV curing varnish on offset
> printed material, spot and full size is most of that work. The problems over
> a 25 year experience have been with two component epoxy varnish and an
> alkyde varnish for outdoor work, yellow casts or too much hardening as a
> result. Both printed on difficult substrates like Alucobond with a white
> polyester coating or Melamine. Acryl couldn't be used. Normaly Acryls were
> best in my experience, there are varieties of acryls and copolymeres of
> course and it is hard to tell what is in it and what makes the difference.
> Manufacturers are not that open. Of the varnishes that we have none is
> usable for inkjet paper so far. Not to my taste I should write.

Understand, UV curable varnishes will be trouble for this application.
That's one reason that I stayed clear or screen coating techniques...the
polymers out there are not ideal for the properties that we want a "fine
art" print to possess.  The best polymers for coating come out the
"paint/coating" industry...and do not lend themselves to screening.

Robert