For domestic white cardboard factories, how to improve the quality of their products to meet the requirements of the market is the key to open the domestic market, especially whether the white cardboard market for cigarette packs can be opened can be said to be a sign to measure whether the product quality of domestic manufacturers reaches high-grade quality.

The main domestic white cardboard manufacturers are Zhuhai Hongta Renheng Paper, Ningbo Zhonghua Paper and Shandong Sun Paper.

white cardboard is generally divided into: blue and white single-sided copper cardboard, white copper cardboard and gray copper cardboard.

ivory board

Single-layer or multi-layer bonded paper made entirely of bleached chemical pulp and fully sized is suitable for printing and product packaging, and generally has a basis weight of more than 15g/㎡. This kind of cardboard is characterized by high smoothness, good stiffness, neat appearance and good evenness. Can be used for business cards, menus or similar products.

In the past, it was proposed to divide paper, cardboard and cardboard based on quantity; White cardboard requires high whiteness. The whiteness of A is not less than 92%, B is not less than 87%, and C is not less than 82%.

white cardboard is a kind of white cardboard made of thick, strong and pure high-quality wood pulp. After calendering or embossing, it is mainly used as a printing substrate for packaging and decoration. It is divided into three levels: A, B and C, and the basis weight is 21-4g/㎡. Mainly used for printing business cards, invitations, certificates, trademarks, packaging and decoration.