Flexible packaging company Printpack has unveiled new technology that allows photochromic ink to stay invisible until exposed to sunlight. The Atlanta-based company displayed the technology at this year’s Pack Expo Las Vegas.

According to the company, the proprietary process marks the first time photochromic ink has ever been applied to a flexible film. Printpack described the technology as “a new way for brands to interact and engage with consumers.” The company said that interactive packaging elicits consumer attention and encourages meaningful brand engagement.

The company said that photochromic ink application has been a challenge for the flexible packaging industry for some time. The process is especially difficult for high speed production, Printpack added. Printpack said its R&D team designed the process to maintain the quality of the packaging design and graphics.

“This type of packaging application can truly set a brand apart by adding depth to the consumer experience,” Director of Technology and Innovation Mark Brogan said. “It can make all the difference when it comes to purchasing decisions.”

h/t: http://www.foodbev.com/news/printpack-debuts-ink-that-stays-hidden-until-exposed-to-sunlight/

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