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Optical Variable Ink (OVI®)

The appearance of these OVIs® (colour-shifting inks) varies according to the angle at which they are viewed. The easily recognizable effect offers a fast means of checking without the need for any other test equipment.

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Contact

If you have any questions about our products, please call us on: +49(0)2304/759-0

Diagramm Halbach GmbH & Co. KG
Am Winkelstück 14
58239 Schwerte
Germany

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