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Water-based anti-counterfeiting ink irreversible thermochromic ink
Characters of irreversible thermochromic ink
Irreversible thermochromic inks undergo
a permanent color change when heated to a certain temperature and do not return
to their original color upon cooling. They develop or fade upon heating to a
preset temperature (60°C-120°C) and do not return to their original color upon
cooling. These inks are water-based and can be applied to absorbent materials
such as paper via screen printing or gravure printing. The solvent is water
only; contact with other solvents will render them ineffective. The color
change range includes colorless to black, blue, and red, as well as color to
colorless.
These inks are available in multiple product lines based on their temperature sensitivity ranges (e.g., 60°C, 70°C, 80°C, 100°C, and 120°C), with variants also offering multiple functionalities such as glow-in-the-dark and UV-sensitive options. They are primarily used in anti-counterfeiting packaging (e.g., tobacco, alcohol, and pharmaceuticals), thermal display coatings, and temperature monitoring labels. A one-time color reaction verifies product shipping and storage temperatures or sterilization compliance. Stir thoroughly before use to prevent settling and avoid prolonged contact with metal containers. Drying time is longer than with solvent-based inks.
Available colors and temperature range of irreversible thermochromic ink
Printing method of irreversible thermochromic ink
The printing method of irreversible temperature change ink: water-based screen printing, water-based gravure printing.
1. Before use, please stir the ink evenly to prevent discolored materials from settling at the bottom.
2. When in use, generally no solvent needs to be added. The solvent of this product is purified water.
3. It is water-based ink, so its drying time is slightly longer than that of solvent-based ink.
4. Do not store for a long time in metal containers (plastic drums or cans).|
Temperature range |
60℃，70℃，80℃，100℃，120℃ |
|
Color |
Cyan, Magenta, Yellow, Black… |
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Appearance |
ink |
|
Shelf life |
12 month |
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