Ink Mixing - Printa Systems 990 series Quick Manual

Step 1: You will need your
inks, hardener, thinner and
mixing supplies as well as
your gram scale. Because the
sunglass holder is plastic, SE
hardener and Medium
thinner will be used.
Step 4: Pour hardener
into cup. You add 20%
hardener to the weight
of the ink. Remember!
SE hardener for SOME
plastics, VR for glass and
ceramics.
990 Pad Printing System Quick Guide

Ink Mixing

Step 2: Place cup and stick
on scale, press TARE button
so it calibrates the scale and
reads 0.
Step 5: Mix hardener
and ink mixture.
The inks that come standard with the 990 Pad
Printing System are a two-part epoxy based ink.
The inks need to be mixed with a hardener and a
thinner. There are two types of hardeners and
thinners that come with the kit: SE hardener and
medium thinner & VR hardener and VR thinner.
Remember: VR hardener is used for glass and
ceramics, while the SE is used for SOME plastics.
Remember to test your plastics before committing
to a print run to see if the ink with adhere to the
surface! There are other inks available for different
plastics, please call your Printa Systems representa-
tive for more information.
Step 3: Pour ink into cup.
You need to need to mix at
least 25 -30 grams. Do not
mix less as it will make the
ink unstable and dry out
quicker.
Step 6: Add 20%
thinner to the mixture
of ink and hardener.
Step 7: Mix thor-
oughly!
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