The Main Difference Between All Grey Board And Ordinary Double Grey Board

All grey board and double grey board are called grey board for short，The difference is as follows：

1. The color of the paper core is different, the color of all grey cardboard paper surface and paper core is the same, the color of double grey cardboard paper surface and paper core is

different, the surface paper is grey, the paper core is gray or light yellow.

2. Their stiffness is not the same, and the all grey board is harder and more stiff than the double grey board.

3. Because the stiffness of all grey board and double grey board is different,There are also different USES, All-grey board paper is widely used for making high-end export wallet,

folder, jigsaw puzzle, paper clothes rack and so on, Double grey cardboard is mainly used for mooncake box, gift box and so on.