What's the difference between gray cardboard, gray paperboard, white cardboard and white board paper?
Characteristics of white board and gray cardboard:1, white paper is made from flour paste with each bottom slurry in multi cylinder paper machine dryer or multi combination machine is made of cardboard. Pulp is generally divided into surface (surface), two, three, four layers, the fiber content of each layer of pulp is different, and the fiber ratio of each layer of slurry is also different according to the quality of paper.2, the ash bottom white cardboard with higher stiffness, breaking resistance and smoothness (but excluding imprint patterned white cardboard), smooth paper, neat appearance, no marks, spots and other paper, nor warpage phenomenon.
Standard Specification for white board and grey paperboard:1, (a), whiteboard paper commonly used flat specifications: positive 787*1092MM, generous 889*1194MM, (b), whiteboard, commonly used reel specifications: 26, "/28", "/31", "/33", "/35", "/36", "/38""/40 "/43" /47"2, gray bottom white cardboard specifications: drum 737, drum 965, drum 1000, drum 1041, drum 1067, drum 1194, drum 1245
The difference between the white cardboard and the white board:1, the ash bottom white cardboard weight were divided into 200 grams, 230 grams, 250 grams, 270 grams, 300 grams, 350 grams, 400 grams, 450 grams. The gram weight here stands for every square meter per gram.2, whiteboard paper routine weight include: 230, g/m2250, g/m2270, g/m2300, g/m2350, g/m2400, g/m2450, g/m2500, g/m2, etc..
What is the difference between the white cardboard and the white board?:1, white cardboard has a higher stiffness, breaking resistance and smoothness (but excluding imprint patterned white cardboard), smooth paper, neat appearance, no marks, spots and other paper, nor warpage phenomenon. Suitable for printing and packaging of products. Used for business cards, invitations, certificates, menus, monthly calendars, postal postcards or similar products.2. White board is a kind of cardboard with white and glossy facade and gray backing on the back. This kind of cardboard is mainly used for printing in one side color printing. It is also used for packaging or for design and handwork.