Ordinary small and medium-sized packaging, such as beer, beverage, fruit and other food cartons, stop using the whiteboard paper black printing products are more and more. So white paper about how to choose, with small make up together to understand the above: white board with a white paper is a positive and lubrication, opposite for grey board, the board is bleached chemical pulp MianJiang, mix all sorts of mixed pulp slurry made for. After printing made carton for packaging cosmetic, medicine, food and cigarettes, etc. Can also be used to printing education images. Quantitative has 200, 250. 300, 400 g/m2, etc. , have the single side, double side. Special and general. How to choose: good quality compare white paper, on the back of the unique, less impurity point, not easy to water penetration. You can pour some water on the back to check. Positive, to compare the average coating layer, can't show, which is able to see the color of the floor. Coating can't be too thick, thick easy off powder. You can fold it and see off powder coating layer. Look from the front without potholes, no black piece of paper. Average thickness of coated paper in addition to compare, look from the front, glossiness is the same, will not render some central bright some central sight of light, and good feel of coated paper than light, and softness is also very good. With a tear, tear apart the side there are a lot of fiber. Paperboard secondary is to look at the average thickness. In terms of quality, white board paper and printing have different? White board paper box and printing quality requirements. Secondary is cardboard box making demands on proper stiffness, especially has certain folding strength, make the cartons made of hard, twists and turns in rolling box is not easy to break and broken line pressing, uniform tension should not be less than 200 k g/cm l. Uniform folding degree not less than 20 times. In printing, the secondary is for selling the white paper, lubrication and board paper whiteness common in more than 70. Board should be flat, thickness, texture, scalability, common to comply with 5, 7 color overprint dongguan industrial cardboard composite factory research and development, production and sales of industrial composite board. The main products: industrial cardboard, composite board, double gray cardboard, whole gray paper, gray highlights cardboard, coated paper, kraft paper, board, special paper, industrial cardboard, composite board, etc. Our factory has the abundant technical force and professional production team, has been adhering to the 'do customers suitable products, satisfactory service to clients' spirit of enterprise, won the trust of many customers and support. We will continue to high-quality products, satisfactory service to meet the various needs of customers. Warmly welcome new and old customers calls negotiate!
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