Paper bag introduction

As long as the bag contains a part of the material can be collectively referred to as paper bags.
Many varieties of paper bags, paper materials, diverse species, styles are also many.
According to the material can be divided into: white cardboard paper bag, white paper bag, copper paper bag, kraft paper bag, there is a small amount of special paper manufacturing.
White cardboard: white cardboard solid thick, high stiffness, bursting and smoothness, flat paper, commonly used thickness is 210-300 grams of white cardboard, with up to 230 white card. Paper bags printed with white cardboard, full color, the texture of the paper is also very good, is your first choice for custom.
Copperplate paper: coated paper is characterized by a very smooth and flat paper surface, high whiteness, high smoothness, good gloss, but also to print the graphics, the screen has a three-dimensional sense, commonly used thickness of 128 grams -300 grams, The effect of printing and white cardboard, the color is full of bright, compared with the white cardboard, the stiffness less than white cardboard.
White kraft paper: white kraft paper with high burst resistance, good toughness, high strength, even thickness Color stable, according to the relevant state laws and regulations supermarket use of plastic bags, as well as foreign, Europe and the United States and other countries to promote the trend of using environmentally friendly paper bags, strict control of plastic Pollution, plastic bags will be replaced by environmentally friendly paper bags, white kraft paper market prospects. 100% pure wood pulp, environmentally friendly non-toxic, environmentally friendly recycling, white kraft paper toughness is good, and without film, widely used in the production of environmentally friendly clothing handbags, high-end shopping bags. Commonly used thickness of 120 grams -200 grams of white kraft paper, the paper has no brightness and gloss, white kraft paper is not suitable for printing ink too much content.
Kraft paper: also known as natural kraft paper. High tensile strength, high toughness, usually brown, tear strength, high breaking strength and dynamic strength, widely used in shopping bags, envelopes and so on. Commonly used thickness of 120 grams -300 grams of natural kraft paper. Kraft paper is generally suitable for printing monochrome or color and color is not complicated manuscripts. Relative to white cardboard, white kraft carton coated paper, yellow kraft paper, the lowest price.
Gray white paperboard: Whiteboard paper is a white front and smooth, mostly gray on the back of the cardboard, commonly used thickness is 250 grams -350 grams, white cardboard side is white, gray side, the price is relatively cheap dialogue card a little.
Black cardboard: a specialty paper, double-sided black. Black cardboard is characterized by fine paper, through the heart of black, strong and firm, folding good, smooth and smooth surface, very good, good pull, bursting higher. Commonly used thickness of 120 grams -350 grams of black cardboard. Because the black cardboard inside and outside are black, so can not print the color pattern, only for bronzing, hot silver and other processes. The bags made are also very beautiful.
According to the bag edge, the bottom and back cover different ways: There are open-bottom slit bags, open mouth angle junction bag, valve suture bag, valve flat hexagonal end adhesive bags and other four kinds of paper bag type.
According to the different ways of the handle and the hole digging: NKK (perforated rope), NAK (non-perforated rope, divided into non-slip and standard muzzle type), DCK Tongue not punching).
According to different purposes: including file bags, envelopes, handbags, cement bags, feed bags, wax paper bags, fertilizer bags, laminated paper bags, four paper bags, medicine bags, clothing bags, food bags, shopping bags, gift bags, drinks bag. Different uses, the size of the design specifications, including the thickness of the paper bag has many requirements, so according to the actual situation to customize, to achieve a multiplier, economical and practical purposes, for the reduction of material saving, environmental protection, corporate capital investment, provided More protection.