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Optical variable ink is also called colorchanging ink and
chameleon. The printed sample shows two colors, such as: red to
green, green to blue, red to gold, etc.
When looking straight or sideways under normal light, as the
viewing angle of the human eye changes, it presents two different
colors. This ink has strong light variable characteristics, large
color difference changes, and obvious characteristics.
It does not require any equipment to be recognized, and its color
angle effect cannot be reproduced by any high-resolution scanner,
color copier, or other equipment. The printing features cannot be
replaced by any other inks and printing methods, and the
anti-counterfeiting reliability is extremely strong. Therefore, it
has been designated by many countries in the world for the
anti-counterfeiting of the most demanding and difficult currencies
and securities. Some famous manufacturers also Has been used for
packaging anti-counterfeiting.