What does the thickness of the paper G mean?
Of course, the same weight within a square meter, the thicker the paper, so 300g is thicker than 200g. The thickness of a unit of paper is silk. 200g white 25 wire, 300g 31 wire (converted to MM is 0.42 mm). All right, boy
The white cardboard case, general 200g, 300g, 400g, said here is the grams of weight, which is a square meters this paper how many grams, in other words, 200g is a white, the white one square meters (about a full size) 200g.
