It is divided into two categories: facial paper and pit paper. Commonly used Color box face papers are: powder gray paper, gray copper, cupronickel, single copper, gorgeous card, gold card, platinum card, silver card, laser card, kraft paper, etc. There are 2 kinds of "white board with white background": 1, white copper, 2, single copper. What they have in common is that both sides are white. The difference is "white copper": one side is smooth and the other side is not smooth, that is, one side has a coated side and the other side has no coated side. The popular point is that the front side can be printed, but the reverse side cannot be printed. "Single Copper": Both front and back sides are coated, and both front and back can be printed. There is this kind of paper for gray-bottomed gray boards, but it is not used on color boxes. For gray-bottomed whiteboards, it is the so-called "gray copper paper", that is, the front side is white and can be printed, and the back side is gray and cannot be printed. The general white card is also the "white background and white board" paper, which is just the abbreviation for general quotation, except for special white cards, such as platinum cards, silver cards, etc. Powder gray paper, one side is white and the other side is gray, the price is lower, double powder paper is white on both sides, and the price is high. The material of the color box is determined according to the shape and size of the product. Commonly used materials are: 280G powder gray paper, 300G powder gray paper, 350G powder gray paper, 260G powder gray paper mounting E pit, 260G double powder paper mounting E pit, etc. According to the packaging weight of the product and the positioning of the product, the commonly used materials are: powder gray paper: generally 250g-450g; coated paper: generally 250g-400g.
