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Thermochromic Pigments and Coatings



  • Touch Activated Liquid Crystal Pigments will change color within the visible spectrum when rubbed or touched. Color Sequence: Black » Red » Green » Blue (25-30ºC / 77-86ºF)
  • Cold Activated Thermochromic Inks are used on labels and packaging to create a color change when cooled. (Clear to Color at 15ºC / 59ºF)
  • Touch Activated Thermochromic Inks will temporarily vanish when rubbed or touched to reveal an image or another color printed beneath. (Color to Clear at 31ºC / 88ºF)
  • High Temperature Thermochromic Pigments is designed to change color just below the pain threshold alerting users to a safety hazard or quality issue – Too Hot! (Color to Clear at 47ºC / 117ºF)

Activation temperature points range from low refrigeration type temperatures through normal body temperatures to high temperatures that exceed the pain threshold.

Hallcrest thermochromic formulations are available as a finished ink, pigment or a liquid crystal screen ink. Colors and temperatures can be customized to your application and printing capability. Thermochromic Temperature Range: -10ºC to 69ºC (14ºF to 156ºF)

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