Classification of Coated Duplex Board With Grey Back

Coated Duplex Board With Grey Back is divided into two types: printing type and stationery type. Printing white board paper is a type of cardboard with a single-sided white and smooth surface and a gray background on the back. It is mainly used for printing on packaging boxes and making handicrafts. The weight range is 230-500g/m², and the standard sizes include regular (787mm×1092mm) and large (889mm×1194mm). Stationery whiteboard paper belongs to the category of hanging drawings and is suitable for training, discussion and other scenarios. Common sizes are 560mm×850mm and 600mm×900mm.

White board paper is made by the multi-circular screen papermaking process. The surface layer uses bleached wood pulp or chemical grass pulp to enhance whiteness, and the core layer uses waste paper pulp to increase thickness. After filler coating and multi-roller calendering treatment, it has the characteristics of uniform ink absorption and high folding endurance. Its printability involves pore structure, smoothness and pH value. Porosity directly affects the ink absorption and drying speed. In the first half of 2025, the output of coated white board paper in Fujian Province reached 301,000 tons. Stationery whiteboard paper can be applied in scenarios such as strategic planning and process reengineering in enterprises, government agencies and non-governmental organizations.