What is the difference with the white paper board, is that they are the same paper?
The white paper is a positive is white and smooth, the back is the ash bottom board, this board is mainly used for single-sided color printing carton packaging made for use, or for the design and handicrafts. White paper is composed of surface layers in the slurry and the bottom slurry multi cylinder paper machine dryer or multi combination the cardboard machine is made. The slurry is generally divided into Mianjiang (surface layer), two layers, three layers and four layers, each layer of pulp fiber ratio is different, and each layer of fiber proportion, according to the quality of the copy paper are different. The conventional white paper weight: 230 g/m2250 g/m2270 g/m2300 g/m2350 g/m2400 g/m2450 g/m2500 g/m2.
White is a kind of white cardboard with 2-3 Hanging noodles layer structure, is a relatively high-level cardboard packaging, mainly used for packaging, carton box, made of all kinds of color printing, plays a promotional role to protect the goods, decoration decoration of the goods, can also be used for making tags, lining and plastic packaging edition the master board. Also known as Manila paper, printed board for children's education pictures and stationery, cosmetics, medicine trademark. Ration is 200 grams / square meter to 400 grams / square meter. The thickness, lint free, off powder, toughness, not easy to break. When folded paperboard is composed of a surface layer and a core plate and the bottom layer. The surface layer and the bottom layer using the bleached pulp production board, core layer for mechanical pulp, two fiber pulp or some other unbleached pulp bleaching products and semi. From 3 to 6 layers, or more layers. The general surface bleaching The pulp requires a certain degree of sizing and printability