1. Single-powder paper: Single-powder paper is also called single-sided coated paper (single-sided coated paper). The paper has one side smooth and one side dumb, and only the smooth side can be printed; it can be printed in various colors, and there are no restrictions on colors; 3. The commonly used surface treatment processes after printing are: glue, UV, hot stamping, and embossing.
2. Double-coated paper: Double-coated paper refers to double-sided coated paper. Double-sided coated paper is a kind of coated paper, which is coated on both sides and has good smoothness on both sides. This material is relatively high-end in the application.
3. Pit paper: Pit paper is a piece of smooth kraft paper and wavy paper (collectively called paper core). It is one of the important materials for paper packaging. Compared with ordinary paper, it is more straight and has stronger load-bearing capacity. 2. Commonly used are single pit, double pit and triple pit. 3. It can be printed in various colors, but the effect is not as good as single copper paper. 4. Commonly used surface treatment processes after printing: glue, UV, hot stamping, embossing.
4. Specialty paper: Specialty paper is paper with special purpose and relatively small output. There are many kinds of special papers, here we only talk about the ones we use in our packaging materials: embossed paper, patterned paper, “condensed” pearl patterned paper, “Xingcai” metallic patterned paper, gold paper, etc. 2. These papers are specially processed to improve the quality of the packaging. 3. Embossed and embossed products cannot be printed, but can only be hot stamped on the surface. Xing Cai, gold paper, etc. can be printed in 4 colors.