Blister plastic white paper 400g white paper

Common coated white paper is divided into different levels according to quality A, B, C, E, F five grades. ABC three commonly used (in some regions into AB grade, BC grade, Zhejiang Fuyang area high side). Selection, should take into account the type of product specifications and quality grade and other aspects. A type of white paper: Surface use bleached chemical pulp, the core layer and the underlying use of * salt pulp, mechanical pulp, fine paper, etc., its good folding properties, for the production of small carton. B-type white paper: bleached chemical pulp or surface using fine white paper, the core layer and the underlying use of waste paper pulp. C-type white paper: the use of more and more low-level B-type white paper raw materials. The basic structure of coated white paper by a secondary coating layer, the surface layer, the core layer, the bottom, one or two coating layers, as shown in Figure 1: 1 and 5th floors of the coating layer, its role is to improve whiteness and printing effects coated paperboard; 2,4 layer * salt pulp, mechanical pulp, waste paper pulp newsprint deinking after, its role is to maintain the strength and whiteness of white paper; 3 layer is mixed newsprint pulp, waste magazines, corrugated cardboard waste paper pulp, its role is to increase the thickness of the white paper, white paper to reduce costs, improve white paper ink absorption. Our company currently has major side coated duplex white board, two-sided coated paperboard. Quantitative sided coated duplex paperboard are 200g / m2,220g / m2,230g / m2,250g / m2,270g / m2,300g / m2,350g / m2,400g / m2,450g / m2; double coated Quantitative cloth paperboard are 200g / m2,220g / m2,230g / m2,250g / m2,270g / m2,300g / m2,350g / m2,400g / m2. Coated paperboard generally flat paper-based dimensions of 787mm × 1092mm, 889mm × 1194mm, also reel paperboard. Single-coated white board gray Technical indicators refer QB1011-91 standard, double-coated white cardboard Technical indicators refer ZBY32024-90 standards. Technical Requirements 1. High strength. High strength packaging material should have the basic properties. 2. Has good processability. 3. Have good printability. Adapt to a variety of printing offset, gravure, etc. The light weight, with appropriate cushioning