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Screen Printing Temperature Change Ink Irreversible 80 degrees Colorless to Blue
Thermochromic ink was first invented in the 1930s, but it wasn't until the 1970s that it became widely popular. It was used in mood rings, which changed color based on the wearer's body temperature.
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6 ℃ Colorless to Red Screen Print Temperature Sensitive Ink
The color temperature of the discoloration pigment principle and structure: Thermochromic pigments are produced by electron transfer type organic compound systems. Electron transfer organic compounds are a class of organic chromophores with special chemical structures. The molecular structure of the organism changes due to electron transfer at a specific temperature, thereby achieving color conversion. This discoloring material is not only brightly colored but also capable of achieving a color change from a "colored to a colorless" state which is not possessed by the heavy metal double salt complex type and the liquid crystal type reversible thermochromic material.
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