Hot ink rolls match with hot stamping machine to print MFG, EXP ... number. They are used for paper, labels and snack Hot ink rollHG22:Substrate: PP, PE, PET, aluminum film and multi-filmColor ... ability, high temperature, high speed, alcohol resistance, clean, no pollutionHot ink roll, match with hot stamping machine to print MFG, EXP ... , no pollution of solvent, not easy to wipe off. Hot Ink Rolls