Whiteboard paper and gray cardboard characteristics difference
There are differences between different types of cardboard,and it is generally impossible for laymen to distinguish the details.For example,the difference between whiteboard paper and gray-white cardboard features is not understood by many people.Then,we Zhiyuan Paper Industry as a professional gray board manufacturer.Now let's take a look at the difference between whiteboard paper and gray-white cardboard.
The whiteboard paper is made from the dough and the pulp of each layer on a multi-drum multi-dryer paper machine or a long round mesh mixed board machine.The slurry is generally divided into a dough(surface layer),two layers,three layers,and four layers.The fiber ratio of each layer of paper pulp is different,and the fiber ratio of each layer of the slurry is determined according to the papermaking The quality is different.
White cardboard with gray bottom has high stiffness,bursting resistance and smoothness(except for white cardboard with embossed pattern).The paper surface is flat,the appearance is neat,no streaks,spots and other paper diseases are allowed.There is a phenomenon of warping deformation.
It can be seen that the difference between different paperboards is a matter of detail.If you don't pay attention to the distinction,it's hard to really understand where it is different.In addition to the difference between whiteboard and gray-white cardboard,we also understand the performance and distinguishing characteristics of grayboard and black cardboard,cattle cardboard.