Security features
Thermal chromic inks
Description:
- temperature-based change of colors
- version with 2 color changes possible (i. e., resulting in 3 colors in total)
- Range of reaction granularly adjustable
- reversible or irreversible
Security :
Security level
80%
- optical recognition of temperature fluctuations
- protection against counterfeiting
Examples of application:
- security labels
- food packaging (disruption of cold chain)
- excise stamps