What are the materials of the carton?

The general carton related materials can be divided into 2 categories: facial tissue, pit paper.

Usually, the color box paper is commonly used (Taiwan name): gray copper, white copper, single copper, ornate card, gold card, platinum card, silver card, laser card, and so on.

There are two kinds of "whiteboard whiteboard": 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 not smooth, that is, one side has a coated side and one side has no coated side. The popular point is that the front side can be printed, and the reverse side can not be printed.

"Single copper": Both sides of the front and back have coated surfaces, both positive and negative can be printed.

Gray bottom gray board has this kind of paper, but it is not used on the color box. You should ask for the gray bottom board. It is called "grey copper paper", that is, the front is white, it can be printed, the reverse side is gray, no Can be printed. Generally, the white card is also the "whiteboard whiteboard" paper, except for the short list of general quotations, except for special white cards, such as platinum cards and silver cards.