Classification of Ivory board(1)

Paper jam on gray base

Bleached chemical pulp is used for the surface layer, unbleached kraft pulp is used for the core layer and the bottom layer, ground wood pulp or clean waste paper is suitable for the color printing of high-grade cartons, so it is necessary to attach great importance to the quality of folding resistance, color printing effect, flexibility, etc.

Main use: suitable for making all kinds of paper box, hardcover book cover.

Ivory board

Ivory board is also called double-sided white. The grade of white card is higher than that of gray card. White card consists of three layers: the surface layer and the bottom layer are white, smooth and flat, which can be used for double-sided printing; the middle layer is the filler layer, and the raw materials are poor. White card is hard, thin and crisp, and widely used, such as making all kinds of high-grade packing boxes, cigarette boxes, mouth cups, children’s books, etc. Binding with white card mainly for soft cover, Paperback Cover, manual, hard lining, etc.

White board paper

White board is a kind of paper with uniform fiber structure, filler and rubber composition on the surface and a coating on the surface

White cardboard

A kind of paper produced by multi roller calendering, with high color and purity, uniform ink absorption and good folding resistance, is mainly used for commodity packing box, commodity surface lining, picture hanging chart, etc.

White board paper has small flexibility, toughness and is not easy to break when folding. It is mainly used for printing packaging box and commodity liner paper. In book binding, the spine or cover of a book for wireless binding and a hardcover book. There are super and ordinary, single-sided and double-sided. According to the classification of the bottom layer, there are two kinds: gray bottom and white bottom.

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