The Classification Of Paper Bags
Paper bag a number of material variety, style, paper a lot.
Classified according to the material: white card paper, flipchart paper bag, bond paper paper bags, kraft paper bag, and a small number of special paper.
White paper: white paper strong and thick, has a higher stiffness, bursting strength and smoothness, paper formation, commonly used thickness is 210-300 grams of white cardboard, with up to 230 white card. White cardboard printed paper bags, full color, texture of the paper is also very good, is your first choice for custom.
Art paper: coated paper is characterized by very smooth paper, higher brightness, smoothness, gloss, also makes the graphics, screen printed icing, commonly used thickness 128 g-300 g, copper paper printing effect and white cardboard, bright full color, compared with white cardboard, stiffness than the white cardboard.
White paper: high white kraft paper bursting strength, good toughness, high strength, uniformity of thickness as stable, according to relevant regulations restricting the use of plastic bags in the supermarket, as well as abroad, trends in Europe and other countries to promote environmentally-friendly paper bags, and strictly control the plastic pollution, plastic bags will be replaced by recycled paper bags, white kraft paper market prospects. 100% pure wood pulp manufacture, nontoxic, environmentally friendly recycling, toughness well white kraft paper, and not covered with plastic film, widely used in the production of environmentally friendly clothing bag, premium shopping bags. Commonly used thickness 120-200 g of white kraft paper, paper no brightness and gloss, white kraft paper suitable for printing ink too much content.
Kraft paper: also known as natural kraft paper. Has a very high tensile, high toughness, usually Brown, tear strength, rupture and high dynamic strength, widely used in shopping bags, envelopes, etc. Commonly used thickness 120 g-300 g, Ecru Kraft. Kraft paper suitable for printing monochrome or color, and the color is not complicated and the like. Compared with white cardboard, white kraft paper, coated paper, yellow-brown paper the lowest price.
Gray shading white paper: white paper is a positive sign is white and smooth, gray on the back end of the cardboard, commonly used thickness is 250-350 g, white paper is white, one side is gray, the relative price of white cardboard a little cheaper.
Black paper jam: as a specialty paper, black on both sides. Black cardboard is characterized by fine, xinhei, strong thick, good folding resistance, smooth surface, stiffness, tensile, burst strength higher. Commonly used thickness 120-350 g of black cardboard. Because of the black paper jam inside and outside is black, so I can't print color patterns, silver is only suitable for hot, hot, and so on. Made out of a bag is also very beautiful.
According to the bag side, bottom and back cover in a different way: open seam bottom bag, open bonding corner bottom bag, valve sewing bag, valve flat hexagonal end type of bottom gluing bags four kinds of paper bags.
In accordance with different hands and dig holes: NKK (perforated DrawString), NAK (no holes, corded, divided into standard has no mouth fold and fold shape), DCK (Cordless Pocket Hole handle), BBK (the tongue rather than punch).
According to the different uses: including archives, bags, envelopes, bags, bags for cement, fertilizer, feed bags, waxed paper bags bags, reusable bags, four layers of paper bags, medicine bags, garment bags, grocery bags, shopping bags, gift bags, wine bags. For different purposes, the design specifications, including the thickness of the paper bag paper has many requirements, so be custom-made according to the actual situation, do more with less, economic purpose of savings for material reduction, green environmental protection, corporate funding, provides additional protection.