| 摘要 |
PURPOSE: A scratch ink is provided to prevent the ink from being powdered by including rubbers when scratched, to enable easy removal since elastic force remains even if the time passes and to enable the flexographic type printing. CONSTITUTION: A scratch ink(21) comprises: 5-20 weight% of rubbers(211) having elasticity during the hardening, 50-70 weight% of solvents(212), 0.1-5 weight% of additives(213), and 10-25 weight% of aluminum powder(214); or 5-20 weight% of rubbers having elasticity during the hardening, 50-70 weight% of solvents, 0.1-5 weight% of additives and 10-40 weight% of white powder. The white powder is one selected from the group consisting of titanium dioxide, calcium carbonate, barium sulfate, talc, and combinations thereof. |
