From manufacturing to intellectual creation
Industry Standard Setter For Sheetfed Tote Bags
Paper bags have become a necessity in people's daily lives. Whether we buy clothes in a mall or a supermarket, it is closely related to us. The use of paper bags protects our food safety and greatly facilitates our life. Do you know the detailed classification of paper bags?
Paper bags can be divided by material
White cardboard: White cardboard is strong and thick, which is 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 white cardboard paper bag is usually produced by automatic paper bag machine, which can save human cost and improve product quality. The paper bag printed with white cardboard is full of color and the texture of the paper is very good, which is your first choice for customization.
Coated paper: coated paper is characterized by very smooth and flat paper surface. It has the features of high whiteness, high smoothness, good gloss. The commonly used thickness is 128 grams-300 grams, 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 white cardboard.
White Kraft paper: White Kraft paper has high resistance to breakage, good toughness, high strength, and uniform thickness and color stability. According to relevant national regulations, supermarkets are restricted to use plastic bags, and foreign, European and American countries advocate the trend of using environmentally friendly paper bags and strictly control plastic pollution and manufacture paper bags with high-efficiency paper bag manufacturing machine. Plastic bags will be replaced by environmentally friendly paper bags, white Kraft paper market prospects are promising.
Kraft paper: It is also known as natural Kraft paper. It Has high tensile strength, high toughness, usually brownish yellow, high tear resistance, cracking and dynamic strength, widely used in shopping bags, envelopes, etc. Its common thickness is 120 grams-300 grams of natural Kraft paper. Kraft paper is generally suitable for printing single-color or two-color and uncomplicated manuscripts. Compared with white cardboard and white Kraft paper coated paper, yellow Kraft paper has the lowest price.
Black cardboard: It is a special paper with double-sided black. Black cardboard is characterized by exquisite paper, black through the heart, strong and thick, good folding resistance, smooth and smooth surface, good stiffness, good tensile strength, and high burst resistance. Its common thicknesses are from 120 grams to 350 grams of black cardboard. During the manufacturing process, paper shopping bag making machine plays an important role, which can guarantee good quality of the paper bags. Because the black cardboard is black inside and outside, it is not possible to print colored patterns, only suitable for gold foil, silver foil and other processes. The bag made of black cardboard is also very beautiful.