• Barry McCann

Heat sensitive ink -- security and marketing sizzle


Nearly everyone knows about cold-activated thermochromic ink. Chromatic Technologies Inc. (CTI) has been helping Coors Light turn the mountains blue at 46°F – the ideal consumption temperature – for years.

But did you know that heat-activated inks exist, too?

With these, the color turns to clear at the target temperature, whether it's from the heat of your fingers touching a print, or breathing on the print, or a microwaving a syrup bottle or other food package.

Common applications for heat sensitive or activated inks include

  • Document Security -- Touch or rub the printed ink text or design to show that a document is authentic. Great for checks and other official secure documents.

  • Safety Feature – Ensure that consumers know when microwaved or beverages are too hot to handle or taste, or when they’re just the right temperature.

  • Hidden Messages or Images – Use a heavy coating of heat-sensitive thermochromic ink to cover up a yearbook cover photo, and watch amazed teens touch or rub to reveal the image again and again.

Interested in bringing this type of innovation to your brand or customers? Contact us or call 719.592.1557.

CTI is the world’s largest producer of thermochromic ink and manufactures other environmentally reactive technology, such as photochromic, pressure activated, fluorescing and glow-in-the dark. CTI is an innovation company that supports the world’s biggest brands and packaging printers. CTI has helped hundreds of large brands, printers and converters in more than 50 countries implement ground-breaking package design innovations using cold- and heat-activated inks. www.ctiinks.com


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