This is related to the surface characteristics of the print, the nature of the electro-aluminum, the hot stamping temperature and pressure and other factors.
A. Too much dust on the surface of the print or the surface contains additives such as detackifiers, bright lacquers, etc., which will hinder the adsorption of galvanized aluminum and paper. The solution: surface powder removal or solution in the printing process.
B. The improper use of anodized aluminum directly affects the fastness of hot stamping. According to the size of the bronzing area, the characteristics of the stamped material should be considered in consideration of what type of galvanized aluminum is selected.
C. The correct matching between the hot stamping equipment and the hot stamping time and the hot stamping temperature is not properly controlled, which affects the fastness of the hot stamping and the sharpness of the graphic outline. Due to the different equipment and hot stamping materials, the hot pressing time and hot stamping temperature are not the same.
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