The characteristics of the packing paper whiteboard paper -
Whiteboard paper because fibrous tissue is uniform, surface layer has the packing and the composition of the rubber, and the surface coated with certain coating, and through multiple roll calender processing, so the quality of a material of cardboard more closely, thickness is uniform, the paper generally is white and smooth, with a uniform ink absorbency, and dropping off powder surface phenomenon, less paper is strong and has a good degree of folding, but its water content is higher, there is a certain scale, it brings the certain effect to printing.
White paper is made up of MianJiang and each layer bottom slurry as copy.
So the paste is generally divided into MianJiang (
, two, three, four layers, each layer of the pulp fiber ratio is different, and the layers of pulp fiber ratio, and according to the quality of the copy paper.
White paper is a kind of more advanced packing paper, printed labels and packaging cartons, such as: children's toys, medicine, food, cigarette case, toothpaste, gift boxes and other packaging.
Super white board paper
points and common two kinds, and can be single-sided and double-sided.
Weight is 250 g/m2.
White paper with a smooth white paper, thickness, texture closely, no powder dropping, and can have a uniform ink absorbency, scalability small, has the properties such as toughness, folding resistance to fracture.
Whiteboard paper moisture content is high.
Is in commonly 10%, because paper thicker, drying equipment and the time limit, so most without suspending air is printing printing manufacturer.
But, often using printed a water way to reduce hair and scaling phenomenon.
White paper in general, in the process of printing with offset printing product is more, in ink quantity is big, in order to reduce the phenomenon of hair, to strictly control the ink viscosity and printing ink layer thickness, in case of a dirty on the back.
Usually diluted by field ink printing products processing, to print a background, and then print the original ink at a time, not only reduces the roughcast, sticky dirty phenomenon, and after two times of printing overprint.
Also at the same time increase the print gloss.
Single white board paper is easy to appear after the tide of curly, seven eight become warped, which affects offset printing paper, however, double-sided white board paper is better.
At the same time, because the paper is thick, easy to appear when feed double zhang, zhang, more easily when skew rolling bad rubber, so take extra care when the feed.
White board paper and coated paper, offset paper, the difference between the halftone paper is paper, degree of heavy, thick paper.
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