There Are Many Kinds Of Paper Bags, Various Kinds Of Paper Materials, And Many Styles.

According to the material can be divided into: white cardboard paper bag, white board paper bag, copper paper bag, kraft paper bag, and a small amount of special paper manufacturing.  

White paper: white paper is strong and thick, with high stiffness, burst resistance and smoothness. The paper surface is flat. The commonly used thickness is 210-300 grams of white paper, and the most used is 230 white cards.  Paper bag printed with white cardboard, full color, paper texture is very good, is your first choice for custom.  

Copper paper: the characteristics of copper plate paper is that the paper surface is very smooth and flat, high whiteness, high smoothness, good gloss, but also make the printed graphics, picture has a three-dimensional sense, the commonly used thickness is 128-300 grams, the effect of copper paper printing and white card paper, the color is full and bright, compared with white card paper, stiffness is not as good as white card paper.  

White kraft paper, white kraft paper, burst℃is high, good toughness, high strength, evenness thickness as stability of color, in accordance with relevant state regulations limit the use of plastic bags, supermarket and foreign countries, the trend of Europe and the United States and other countries advocates environmental protection bag, strict control of plastics pollution, plastic bags will be replaced by environmental paper bag, white kraft paper, market prospects look good.  100% pure wood pulp manufacturing, environmental protection non-toxic, environmental protection recycling, white kraft paper toughness is very good, and no film, widely used in the production of environmental protection clothing handbags, high-end shopping bags, etc..  The commonly used thickness is 120-200 grams of white kraft paper. The paper has no brightness and glossiness. The white kraft paper is not suitable for printing ink too large.  

Kraft paper: Also known as natural kraft paper.  High tensile strength, high toughness, usually brownish yellow, high tear resistance, rupture and dynamic strength, widely used in shopping bags, envelopes, etc.  Commonly used thickness of 120 grams -300 grams of natural kraft paper.  Kraft paper is generally suitable for printing monochrome or two-color and color is not complex manuscripts.  Relative to the white cardboard, white kraft paper box copperplate paper, yellow kraft paper price is the lowest.  

Grey-backed whiteboard: whiteboard is a front is white and smooth, the back is mostly gray cardboard, commonly used thickness is 250-350 grams, whiteboard one side is white, one side is gray, the price is a little cheaper than white cardboard.  

Black card paper: a kind of special paper, double-sided black.  Black card paper is characterized by fine paper, through the heart black, strong and thick, good folding resistance, smooth surface, good stiffness, good tensile force, high breaking resistance.  The commonly used thickness of 120 grams -350 grams of black cardboard.  Because the black cardboard is black inside and outside, so it can not print colorful patterns, only suitable for bronzing, hot silver and other processes.  The bag is also very beautiful.  

According to the edge of the bag, the bottom and the bottom sealing methods are different: there are four types of paper bags: open seam bottom bag, open adhesive Angle bottom bag, valve type stitching bag, valve type flat hexagonal end bottom adhesive bag.  

According to the handle and the way of digging: NKK (hole and rope), NAK (no hole and rope, divided into no mouth folding and standard mouth folding type), DCK (cordless bag body hole digging handle), BBK (no hole with tongue).  

According to the use of different: including file bags, envelopes, handbags, cement bags, feed bags, wax paper bags, fertilizer bags, paper bags, four layers of paper bags, medicine bags, clothing bags, food bags, shopping bags, gift bags, wine bags.  Uses are different, the size of the design, including the thickness of paper bag paper have a lot of requirements, so according to the actual situation to customize, to achieve twice the result with half the effort, the purpose of economic applicability, to reduce material saving, green environmental protection, enterprise capital investment, provides more guarantee.