Varnishing
What medium should be used to provide a UV resistant coating to digital prints on canvas that have been printed with Epson Ultrachrome Inks?
Keep in mind that the inks that you are working with may not be lightfast (in other words they might fade if subjected to sunlight or UV from other light sources) For any work such as this, you will need to do some experimenting of
your own to work out what works best for your individual printer. If
the ink redissolves in water, you may have some difficulty applying a
varnish - especially by brush. However, you may be able to thin MM6 Polymer Matt Varnish, MM7 Gloss
Varnish or MM28 Polymer Satin Varnish through an airbrush - but
each individual printer, paper and inks will have different
requirements, and you will need to trial these out before working on
something more important.
For the best UV protection you will need to use an archival quality varnishing system, we recommend you look
at the comprehensive information on varnishing on our website - in
particular the two part varnish system - however we would not suggest
using a "3 part system" as the waterbased varnishes will not adhere
properly to the solvent based varnishes - your best bet would be to
spray apply the water based varnish and then use the turps based varnish
over the top you can find more information here: http://www.derivan.com.au/pages/varnishing.html
Last update: 2010-04-12 14:36
Author: matisse
Revision: 1.3
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