Nowadays, paper bags are not unfamiliar in people’s eyes. The market of paper bags will certainly be considerable in the future, because it is so environmentally friendly and atmospheric. In the future, most people will choose to use paper bags, but do you know the material of paper bags? Next, we will introduce the material of paper bags.
The main materials of paper bags are white cardboard, kraft paper, black cardboard, copper cardboard and special paper.
1. The advantages of white cardboard: solid, durable, good smoothness, rich and full color printed, paper bags commonly used 210-300 grams of white cardboard, often used 230 grams of white cardboard.
2. Material characteristics of copper cardboard paper: whiteness and gloss are very good. When printing, it can make pictures and pictures reflect three-dimensional sense, but its firmness is not as good as white cardboard. The thickness of copper paper used in paper bags ranges from 128 to 300 grams.
The advantages of kraft paper are: high toughness and firmness, not easy to tear, kraft paper is generally suitable for printing some monochrome or colorless double-color paper bags.
Usually used size is 120-300 g 4. Black cardboard’s advantages: solid and durable, color is black, because black cardboard itself is black, its biggest disadvantage is that it can not print color, but can be used for bronzing, silver stamping and other processes.
