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Photochromatic Ink Is Amazing Stuff

Posted Wednesday, May 15, 2013

Photochromatic Ink Is Amazing Stuff | H&H Graphics

We have a project in house right now for photochromatic ink. This amazing stuff is invisible until exposed to sunlight or UV light, when it appears like a secret code. It comes in colors, and this particular project is red and blue. We can't tell you what the hidden message is, but as usual it's a spectacular printed piece. Shhhh! ; )

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