What is the difference between white cardboard and coated paper?

Cardboard paper is a kind of thick paper with a large basis weight. The most common cardboard is not colored, which is called white cardboard. If it is colored, it is called color cardboard according to the color.

The main use of white cardboard is to print business cards, certificates, invitations, covers, monthly desk calendars, and postal postcards, also used on corrugated packaging box.

The surname of white cardboard is "white", so the whiteness requirements are very high. The whiteness of A class is not less than 92%, B class is not less than 87%, and C class is not less than 82%. If the whiteness exceeds 90%, it is a bit "bright and dazzling".

White cardboard is also required to have higher stiffness, bursting resistance and smoothness (except for white cardboard with embossed patterns), and the surface of the paper should be smooth, without streaks, spots and other paper defects, and no warping Deformation phenomenon occurs.

The market situation of white cardboard in China is optimistic. In the past, the white cardboard used in many foreign-related hotels and joint ventures in my country were mostly imported from abroad. Today, the rise of the domestic paper industry has changed the situation in which imported paper dominates the white cardboard market in China. The quality of the finished product is extremely high, comparable to imported products, and the price is much lower than imported products.

The single-coated paper has a bright surface, even coating, fast ink absorption, good printability, and is suitable for delicate color printing. For the purpose of fine printing, the surface of the base paper is coated with paint, and the general coated paper is calendered by a super calender.

Double-coated paper is divided into single-sided and double-coated coated paper. According to the Japanese paper industry classification standard, the coating weight per side is about 10g/m2 or more. It is currently the most commonly used in cultural publishing, advertising design, printing and binding, and industrial and commercial fields One of the types of paper.