Thermochromic ink

Item Info:

What? Beer can with cold activating label – when it is a good temperature for consumption the label turns blue.

Where? On the market. Bought in the Supermarket in Croatia.

When? 2016 (since 2015).

More: The temperature sensitive labels has been printed in offset-flexo technology on metallized paper of  71 g/m². Part of the design of the label has been printed by thermochromic ink which is invisible at room temperature. But, once the bottle of beer is chilled to 8 to 9°C or lower, that surface becomes light blue. The effect disappears when the bottle is again warmed up. The standard inks are printed in offset technique, and the thermochromick ink by flexo varnish unit.

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