The ink rolls themselves are hard and dry to the touch at room temperature. However, when plugged into the printer, the roll itself is heated inside the printer, and the ink becomes liquid. Once deposited on the substrate, the ink dries almost instantly and creates a mark that is permanent and visually readable.
The result is a visually readable date code, which is simple and extremely cost effective. Hot ink roll are outstanding products and do no require adding or charging of conventional inks. Hot ink roll is solid at room temperature and do not smudge. Hot ink roll is non-toxic, gives sharp impressions and contains solvent free ink and therefore there are no hazards possible as in the conventional ink. Hot ink roll is an economical and convenient method for coding, and is characterized by the advantages of sharp and crisp printing, good adhesion, quick drying, clean, quick replacement, and high usage time per roll.