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Temperature-sensing dyes used to
be too costly for food and beverage packaging, but the economics
changed with the cold activated bottle from Coors Brewing Co., Golden,
CO.
A dye-based thermochromatic ink-impregnated in the mountains on the label of Coors Light bottles-begins turning from white to blue as the beer’s temperature drops from 48
Thermochromatic ink changes the mountains pictured on Coors Light
labels from white (top) to blue (bottom) as the beer chills. Source: Coors Brewing
Co.
A dye-based thermochromatic ink-impregnated in the mountains on the label of Coors Light bottles-begins turning from white to blue as the beer’s temperature drops from 48
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