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Generally, the ink manufacturer will give a reference ratio when providing the ink. At the same time, the color printing factory should make a small test before the production, if the amount of the curing agent is too small, the crosslinking degree of the curing agent and the resin is low, the adhesion strength of the ink layer, Heat resistance and hydrolysis resistance will decrease; if there are too many curing agents, excessive crosslinking will occur, affecting the crystallization and micro