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Material Selection For Portable Paper Bags
- Dec 04, 2018 -

White cardboard: White cardboard is firm and thick, has high stiffness, bursting resistance and smoothness. The paper surface is flat. The commonly used thickness is 210-300 grams of white cardboard, and the most used is 230 grams of white card. Paper bags printed with white cardboard are full of color and the texture of the paper is very good.


Whiteboard paper: Whiteboard paper is a kind of paperboard with white surface and smooth front and gray back. The common thickness is 250g-350g. The whiteboard is white on one side and gray on the other. The price is relatively cheaper than white cardboard. .


Coated paper: The characteristic of coated paper is that the paper surface is very smooth and flat, the whiteness is high, the smoothness is high, the gloss is good, and the printed graphics and pictures have a three-dimensional effect. The commonly used thickness is 128 g-300 g, and the copper paper The effect of printing is the same as that of white cardboard. The color is full and bright. Compared with white cardboard, it is less than white cardboard.


White kraft paper: white kraft paper has high bursting resistance, good toughness, high strength, stable color and stable color. According to relevant national regulations, supermarkets restrict the use of plastic bags, and foreign countries, Europe and the United States and other countries advocate the trend of using environmentally friendly paper bags, and strictly control plastics. Pollution, plastic bags will be replaced by environmentally friendly paper bags, and the prospects for white kraft paper are promising. Made of 100% pure wood pulp, environmentally friendly, non-toxic, environmentally friendly and recyclable, white kraft paper has good toughness, and it is not widely used for making environmentally-friendly garment tote bags and high-end shopping bags. Commonly used white kraft paper with a thickness of 120 g - 200 g, the paper has no brightness and gloss, white kraft paper is not suitable for printing ink too large content.


Natural kraft paper (ie yellow kraft paper): Kraft paper has a high tensile strength and high strength. It is usually brownish yellow, with high tear strength, bursting power and dynamic strength. It is 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 uncomplicated manuscripts, compared to white cardboard, white kraft paper and copper paper, yellow kraft paper has the lowest price.


Black cardboard: Black cardboard features fine paper, black heart, firm and thick, good folding resistance, smooth surface, good stiffness, good tensile strength, high bursting resistance, commonly used thickness of 120g-350g The black cardboard, because the black cardboard is black inside and outside, so you can no longer print the colored pattern, only suitable for hot stamping, hot silver, etc. The bag made is also very beautiful.