Preparation of Prints
Water resistant media are referred to as “instant dry” because the water in the inks evaporates quickly, leaving the print dry to the touch soon after printing.
Although dry to the touch, these media must still be cured in
order to let the glycerol from the ink evaporate. If the print is not sufficiently cured prior to coating,
the glycerol will eventually evaporate, which will cause blistering
or fogging under the coating. This is especially true in high humidity
conditions, or if the print receives any direct sunlight. To prevent
this blistering or fogging, one of the following procedures (next
slide) must be followed in order to effectively cure the print.
NOTE: Media with a barrier layer, such as RC photo papers
and canvas, will exhibit significantly more blistering than a matte- or
cotton-based Fine Art paper. Fine Art papers are more forgiving
because they have no barrier layer in the media to trap the glycerol,
so the glycerol will eventually migrate into the paper base over time,
decreasing the chances of blistering.
Tip: Temperature for curing should be at least 65°F (18°C).
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II. Preparation of Prints
