Introduction to Coated White Cardboard

White card paper is generally classified into: blue and white single-sided and double-sided coated card paper, white background coated card paper, and gray background coated card paper. ivory board (white card paper) is a single or multi-layer combined paper made entirely from bleached chemical pulp and fully glued. It is suitable for printing and product packaging, with a general basis weight of over 150g/㎡. The features of this kind of card paper are: high smoothness, good stiffness, neat appearance and good uniformity. It can be used for business cards, menus or similar products. In the past, someone proposed to classify paper, cardstock and cardboard based on quantitative basis. White card paper has A very high requirement for whiteness. The whiteness of grade A should not be less than 92%, that of Grade B should not be less than 87%, and that of Grade C should not be less than 82%. White cardstock is A thick and firm type of white cardstock made from pure high-quality wood pulp. It undergoes calendering or embossing treatment and is mainly used as a printing substrate for packaging and decoration. It is classified into three grades: A, B, and C, with a basis weight ranging from 210 to 400g/㎡. It is mainly used for printing business cards, invitations, certificates, trademarks, and packaging decoration, etc.