What is a paper bag?
As long as the material of the bag contains a part of paper, it can be collectively referred to as a paper bag.
Paper bag classificationedit
There are many varieties of paper bags, various paper materials, and many styles.
According to the material, it can be divided into: white cardboard paper bag, white paper paper bag, art paper bag, kraft paper bag, and a small amount of special paper.
White cardboard: The white cardboard is firm and thick, with high stiffness, burst resistance and smoothness. The paper surface is flat. The commonly used thickness is 210-300 grams of white cardboard. The most used is 230 white cardboard. The paper bags printed with white cardboard are full of colors and the texture of the paper is also very good. It is your first choice for customization.
Coated paper: Coated paper is characterized by a very smooth surface, high whiteness, high smoothness, and good gloss. It also makes the printed graphics and pictures have a three-dimensional effect. The commonly used thickness is 128g-300g. Coated paper The printing effect is the same as that of white cardboard, and the color is full and bright. Compared with white cardboard, the stiffness is not as good as that of white cardboard.
White kraft paper: White kraft paper has high bursting resistance, good toughness, high strength, stable thickness and color image. According to relevant national regulations, supermarkets restrict the use of plastic bags, and foreign countries, Europe and the United States promote the use of environmentally friendly paper bags, and strictly control plastics Pollution, plastic bags will be replaced by environmentally friendly paper bags, and the white kraft paper market is promising. Made of 100% pure wood pulp, environmentally friendly, non-toxic, environmentally friendly and recyclable, white kraft paper has good toughness and does not need to be coated. It is widely used in the production of environmentally friendly clothing handbags, high-end shopping bags, etc. Commonly used white kraft paper with a thickness of 120 to 200 grams, the paper has no brightness and gloss, white kraft paper is not suitable for printing content with too much ink.
Kraft paper: also known as natural kraft paper. It has high tensile strength, high toughness, usually brownish-yellow, high tear strength, rupture and dynamic strength, widely used in shopping bags, envelopes, etc. Commonly used natural kraft paper with a thickness of 120 g-300 g. Kraft paper is generally suitable for printing single-color or two-color and uncomplicated color manuscripts. Compared with white cardboard and white kraft carton coated paper, yellow kraft paper has the lowest price.
Gray-bottomed whiteboard paper: Whiteboard is a kind of cardboard with white and smooth front side and gray-bottomed backside. The commonly used thickness is 250g-350g. The whiteboard paper is white on one side and gray on the other side. The price is relatively cheaper than that of white cardboard. a little.
Black cardboard: It is a kind of special paper with black on both sides. Black cardboard is characterized by fine paper quality, transparent black, firm and thick, good folding endurance, smooth and smooth surface, good stiffness, good tensile force, and high bursting resistance. Commonly used black cardboard with a thickness of 120 g-350 g. Because black cardboard is black inside and outside, it can’t print colorful patterns, it’s only suitable for bronzing, silver and other processes. The bags made are also very beautiful.