The two sides of paper

With the continuous improvement and improvement of papermaking technology and equipment, the two sides of the paper are gradually reduced. Such as papermaking equipment using vertical grid paper machine, the Department of the Ministry of the use of both sides of the dehydration at the same time, so that the two sides of the paper tends to be consistent; in the long paper machine on the additional stack of network, the front of the paper sheet is also properly dehydrated, can make paper The two-sided performance is even closer; chemical retention aids can also be used to keep the fillers and fines on the opposite side as much as possible to reduce bleed, thus improving the two-sidedness of the paper; and by reasonably using press and calendering equipment, it can also effectively improve. The two sides of the paper.