Inks whose color varies according to temperature, are distinguished the reversible and the irreversible.
The color disappears above the turning temperature and returns below (+/- -20 ° C to +/- + 80 ° C). Also available in thermochromic liquid crystal with variation red, green, blue (3 turning temperatures) (very fragile) in printing on black background.
Ink of low opacity and non-solid light (maximum 1 year with protection), is available in all the ranges of inks (after compatibility tests). Screen printing, flexo.
The ink irreversibly colors above the turning temperature (+/- + 50 ° C to
+/- + 160 ° C), limited colors.
Available in ink ranges with water. Screen printing, flexo.
These inks change color irreversibly during the process (steam, temperature, autoclave, gamma ray, ethylene oxide, etc.) Range of inks with 2 different colors before and after the sterilization process either steam, autoclave, EO, gamma ray … Available in ink ranges with water and solvent. Screen printing, flexo.