Formulation of two waterless offset UV inks
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Waterless offset UV ink for metal:
Epoxy diacrylate 40 (wt%)
Polyurethane diacrylate 18
Turnip green 18
Diarylamide yellow 2
Benzophenone 6
Isopropyl thioxanthone 4
Polyethylene wax 6
PTFE wax 1
Quantacure EPD (trade name) 5
Total 100
This ink is used for waterless offset printing of beer cans, beverage cans and spray cans.
Waterless offset UV ink for polypropylene:
Polyester diacrylate 66 (wt%) (or polyurethane diacrylate)
Tackifier 2
Reactive monomer 10
Mixed photoinitiator 6
Amine activator 3
Pigment 18
Mixing waxes and surfactants 3
Talc powder 2
Total 100
The ink is often used for waterless offset printing of substrates such as polypropylene or polyethylene laminated with metal foil, and for the production of self-adhesive labels and the like.