Paper or paperboard used to make cartons, cartons, paper cups, paper trays, etc., because it needs to be processed again, it is called industrial paper. Common industrial paper such as kraft paperboard, corrugated core paper, coated white paperboard , Gray cardboard, etc. 1. Liner board: Kraft board is specially used for non-corrugated paper of corrugated board. Its surface is usually made of unbleached sulfate wood pulp, and the middle and bottom layers can be mixed with waste paper pulp. For example, the kraft paperboard produced by our company has higher burst strength, ring compression strength, better printability and appearance. 2. Corrugating medium (corrugating medium): Corrugating core paper is the base paper made of semi-chemical pulp, which is used to make the corrugated layer of corrugated cardboard. The core paper has high ring compression strength, fluting property and good adhesion. 3. Wrapping paper: Wrapping paper generally refers to paper used for packaging, such as cement bag paper, laminated tar paper, aluminum thin paper, kraft paper for bags, etc. 4. Coated white board: Coated white board refers to a board made of bleached pulp on one or both sides and coated, and the middle layer is made of waste paper pulp or other pulp, such as the back of the company. The factory produces single-sided coated white paperboard, which has good quality printability, whiteness, gloss, interlayer strength, and high box folding. 5. Non-coated white board (white board): Cardboard made of bleached pulp without coating on one or both sides, and waste paper pulp in the middle layer. 6. Gray board: Chip board is made of waste paper, usually made by a rotary screen machine, such as the gray board produced by our company's Hsinchu factory. VII. Base paper for asphalt roofing: Base paper for asphalt roofing is a base paper specially made of asphalt felt after impregnating asphalt. It is made of wood pulp waste paper, rags, wool and other raw materials with a soft and soft texture but still with appropriate strength. . Cabinet Bumpers,Cabinet Door Bumpers,Cabinet Door Stops,Kitchen Cabinet Bumpers Wenzhou Zhaoxia Hardware Co.,Ltd , https://www.zhaoxiahardware.com