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Digital offset printing is now being referred to as the
next generation printing process. It has the ability to
print without films and plates which enables it to
create personalised short runs, changing text, images
and jobs without having to stop the press. The
technology uses small color particles suspended in
Imaging Oil (Isopar) that can be attracted or repelled
by means of a voltage differential. The ink forms a very
thin and smooth plastic layer on the surface of the
printing material. The fact that these particles are so
small ensures that the printed image does not mask the
underlying surface roughness/gloss of the material, as
can be possible with some
toner-based processes,
bringing the digital offset printing closer in
appearance to conventional offset lithography, whereby
Ink is actually absorbed into the material.
Specially
formulated electro ink is being used in digital offset
printing. Currently, we can print on poly vinyl
chloride (PVC) and coated 2 sides (C2S) paper board for
this particular process. |
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