What paper is needed for packaging box printing

Because Long Cheng is a professional paper products printing company, we know there are many kinds of paper, so we need to use which kind of paper in the process of food box packaging printing, the following Long Cheng editor will tell you about it.
What are the commonly used packaging box materials?
Generally, color box materials can be divided into 2 major categories: surface paper and pit paper.
Usually, color box top paper is commonly used (Taiwan name): gray copper, white copper, single copper, gorgeous card, gold card, platinum card, silver card, laser card, etc.
There are 2 kinds of “white background white board”: 1, white copper, 2, single copper.
Their common point 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 coating surface, and the other side does not have a coating surface. The common point is that the front side can be printed, the reverse side can not be printed.
“Single copper”: both sides have a coated surface, both front and back can be printed.
Gray background gray board has this paper, but it is not used for color boxes, gray background white board, it is the so-called “gray copper paper” that the front is white, can be printed, the reverse is gray, can not be printed.
General white card is also known as “white background white board” paper, but the general offer of the abbreviation, in addition to the special white card, for example: white gold card, white and silver card.