What do the aluminum foil on the cigarette case make of adhesive?
There are many kinds of adhesives. They can be made of polyurethane or polyester series or polyamide or propylene ester series.
To achieve the above requirements, 6# glue must be strong adhesion, coating bright, not easy to change color. The traditional formula is far from meeting the above characteristics.
With the improvement of technical level of cigarette and the improvement of people's living standard, the cigarette materials put forward higher requirements: tipping paper to light bleaching, color printing in tipping paper (or even three-dimensional printing) easy to foil; light off powder; decorative packaging boxes shine.
Polyvinyl butyral (PVB) dissolved in alcohol, adding rosin modified yellow sticky glue agent commonly known as PVB generated 6# glue, it is the largest amount of adhesive for cigarette industry, mainly used for tipping paper for cigarette (cigarette paper), aluminum foil (inner packing paper) and cigarette box packaging paper production in.
