Do you know what the material of the paper bag is?

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1, the advantages of kraft paper:

has a high toughness and firmness, not easy to tear, kraft paper is generally suitable for printing some monochrome or color is not rich two-color paper bags.

2, advantages of black cardboard:

is solid and durable, and the color is black, because black cardboard itself is black, its biggest disadvantage is that it cannot print color, but it can be used for bronzing, silver stamping and other processes.

3. Advantages of white cardboard:

is solid, durable and smooth. The printed color is rich and full. Paper bags usually use 210-300g of white cardboard, and 230g of white cardboard is often used.

4, material characteristics of copper paperboard:

whiteness and gloss are very good, which can make pictures and pictures show stereoscopic impression when printing, but its firmness is not as good as white cardboard. Paper bags commonly used to the thickness of copper paper 128-300 grams. Commonly used sizes are: 120-300g

combined with the above contents. Paper bags are mainly made of kraft paper, white cardboard, black cardboard and copper board paper. Does everyone understand.