How to manage your water loops and effluents in your paper mill?

Pear, apple and other fruit use pack as white tissue paper, white tissue paper gives people a common sense.

The national waste supply structure changed slightly in July, because the volume of waste book paper during summer vacation was at the peak, so the proportion of waste book paper goods increased by about 2% in July.

1.Grammage:
White tissue paper : 14gsm and 17gsm
White wax tissue paper : 24gsm,31gsm,45gsm ...
Relative to gram weight, the thickness of waxed paper is thicker than white tissue paper.

Black card paper is pure black, which is mainly used for some special processing, such as UV bronzing, embossing and so on.

What do we usually mean by 250 grams of grey cardboard?Many customers will misinterpret it as the weight of a sheet of grey chipboard. In fact, the weight of grey chipboard refers to the weight of paper per unit area, which is generally expressed as how many grams per square meter.

In the studio album market , the main raw material are the white cardboard and black paper board ,compare with white cardboard , to use black cardboard as the raw material is more high-end. So ,even the price for the black board is higher than the white cardboard ,but some manufacturers was likely to use black paper to product album.