What kind of paper do you have?
Dorian is paper, strong toughness, rough surface, in order to enhance the adhesion and infiltration of the film is waterproof and moistureproof effect.
1, super grade: full chemical wood pulp, more than 80% whiteness, for writing and printing. (at present, some countries have allowed to contain below BCTMP 10%) printing and writing paper with a chemical pulp, is currently publishing, printing and binding of one of the most commonly used paper, the paper presents different add dye color, such as blue and beige Dowling paper Bai Daolin.2, Grade A (mold paper): full chemical pulp system, more than 78% whiteness, for writing and printing paper. Printing and writing paper with chemical pulp and mechanical pulp and part of the paper is with little difference, color slightly yellow, good toughness, high tensile strength and low price, is widely used.3, B grade (printed paper): more than 70% of chemical pulp, and the rest for mechanical pulp, more than 72% of whiteness for printing.4, C grade (printing paper): more than 40% of chemical pulp, and the rest for mechanical pulp, more than 65% of whiteness for printing.5. Coloured printing paper: dyed paper for printing purpose.
For printing books molded paper, because eye protection problems, the paper bring a light beige, and general characteristics of mold paper roughly the same.
In 100% main chemical, with appropriate opacity, smoothness of less than 10 seconds, a white degree is more than 80%, more than 65% grade B, basis weight is about 70 ~ 200 grams / square meter, for drawing and painting with. Paper color micro white, not hurt eyesight, brake strong, resistant to wipe, no fluff, strong water absorption and color rendering capacity.
