

Now what paper does the printing packaging decoration products (including cosmetics gift boxes) of the packaging printing enterprises mostly use?
Now the printing packaging decoration products (including cosmetics gift boxes) of the packaging printing enterprises mostly use the white coated paper board, whiteboard paper pulp noodle, common box board paper, wood pulp kraft paper and liner board, white cardboard.
Because of the difference in the different production process of paper mill, it results in the difference between whiteness and smoothness of the surface of the paper for cosmetics gift boxes. Therefore, printing machine in nano imprint lithography moment, ink low molecular part of paper for cosmetics gift boxes is pressed into the pores larger flow material, binder began to separate from the ink. When the ink pigment content high, the ink film can be formed by a lot of small, the mass of fine capillary retention ability of binder, a much larger capacity than the fiber gap binder paper surface absorption.
When the pigment content is low, it will appear the ink attached on the surface of paper for cosmetics gift boxes, the connected voids most into the paper, causing the ink film substrate is thin, the pigment particles exposed, resulting in the final color is not bright.
from:http://www.won-bon.com/newsd-nid-303.html
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