Is 200g coated paper hard?

Without hardness, 200g coated paper has no rigid requirement for hardness.

Coated paper has no hardness requirement. Coated paper is bright and smooth, absorbs ink quickly and has bright colors. Mostly used in books and periodicals illustrations, paste boxes and other products. Coated paper is flat paper, with dimensions of 787× 1092mm and 880× 1230mm, and the basis weight is 70 ~ 250 g/m2. Coated paper is divided into three types according to quality: A, B and C. The main raw materials of coated paper are coated base paper and paint. The requirements for coated base paper are uniform thickness, small flexibility, high strength and good water resistance.

Temporary stop signs can be made of white cardboard. White cardboard requires high stiffness, bursting resistance and smoothness (except for embossed white cardboard with patterns), and the paper surface is smooth, free from paper diseases such as streaks and spots, warping and deformation. The main purpose of white cardboard is to print business cards, certificates, invitations, covers, calendars and postal postcards.

Extended data

The difference between coated paper and white board;

1, different thickness

The thickness of coated paper is slightly thinner than that of white cardboard, but the fact is that the thickness of coated paper is generally between 0.06 mm and 0.465 mm, while the thickness of white cardboard is between 0.27 mm and 0.55 mm.

2. Different hardness

Hardness is one of the intuitive differences between the two kinds of paper. Coated paper has no requirement for hardness, while white cardboard has certain stiffness requirement, so the hardness of white cardboard is better.

3. Different manufacturing processes

Coated paper is a kind of coated paper. Generally, the base paper of coated paper is made of bleached chemical wood pulp or partially bleached chemical straw pulp on a paper machine, and then white pigments and other auxiliary raw materials are evenly coated on the base paper on a coating machine, and then dried and calendered. White cardboard is a kind of single-layer or multi-layer paper made entirely of bleached chemical pulp and fully sized;

Baidu encyclopedia-coated paper

Baidu encyclopedia-white cardboard