Correctly mastering the bronzing suitability in production is the most important means to improve the quality of bronzing. Of course, the first is to ensure the quality of bronzing paper. The quality requirements of bronzing paper in the production of bronzing machine are also very strict. The bronzing process is a commonly used printing process. But it is not easy to print hot stamping, especially in the selection of hot stamping paper. People often ask us: Why do you look like hot stamping paper, printed bronzing paper, brightness and other properties? Better? So when choosing a hot stamping paper, you can't just look at the surface. It is the most important to understand the real needs of your product. The following describes the quality testing standards for hot stamping paper.
1. Appearance: Generally, it is mainly color, brightness, color difference of the same batch, allowable range of laser gilding paper seam width, blisters visible to the naked eye, allowable number of black spots and 2D or 3D pattern integrity of holographic anti-counterfeit gilding paper and compliance with standards Sample.
2. Hot stamping characteristics: mainly refers to peelability, the highest temperature that can be withstand and adhesion.
3. Characteristics after hot stamping: Mainly wear resistance, high temperature resistance and resistance to various solvents (such as UV glazing, film and surface color stability after printing) and indentation resistance.
4. Cursor pitch stability of holographic anti-counterfeit foil paper and allowable error of left and right cursor offset when left and right slitting.