1：Single Powder Paper
Single powder paper is also called single coated paper (single smooth coated paper).
① paper - face light, - face dumb, only smooth surface can be printed;
② can realize a variety of color printing, unlimited color;
③ after printing, the commonly used surface treatment process is: too glue, too UV, hot printing, super.
2: Double Copper Paper
Double copper paper refers to double-sided coated paper. Double-sided coated paper is a kind of coated paper, that is, double-sided coated, both sides have good smoothness. This material can be compared in application
High - grade, do better at present Jun industry packaging printing.
① The paper is smooth on both sides and can be used for double-sided printing, while the single copper paper has only one smooth side. But the stiffness and hardness of single copper are higher than that of double copper. And the single copper is a little biased
Yellow, luster less obvious than double copper;
② The biggest difference with single copper paper is that it may be double-sided printing;
③ After printing, the commonly used surface treatment process: too glue, too UV, hot printing, convex, etc.
3: Pit Paper
Pit paper is a smooth kraft paper and undulating paper (collectively referred to as paper core) mounted, is an important material of paper packaging.
① Compared with ordinary paper, more straight, stronger bearing capacity;
② Commonly used single pit, double pit, three pit;
③ It can realize the printing of various colors, but the effect is not as good as that of single copper paper;
The commonly used surface treatment process after printing: too glue, too UV, hot printing, convex.
4: Special Paper
Special paper is a small paper with a special purpose. Special paper is a variety of special purpose paper or art paper collectively.
① There are many kinds of special paper, this only says that we use on the packaging materials: embossed paper, patterned paper, "condensation pearl pattern paper," star "metal pattern paper, gold paper, etc.;
② These paper through special treatment, can improve the quality of the packaging;
③ Embossing can not be printed, only surface hot printing, mining, gold paper, etc., can be printed in 4 colors.
5: Cardboard
① In the production of gift box structure, surface mounted - layer single powder paper or special paper;
② The commonly used colors are black, white gray, yellow;
③ The thickness of cardboard also has various levels, according to the need to choose the bearing;
④ If mounted is single powder, the process and single powder carton -, if mounted is special paper, most can only be hot printing, some can achieve simple printing, but the printing effect is not good.
