Paper Gram Weight TestThe weight of paper is usually expressed in two ways, one is quantitative and the other is called ream. Quantity is the weight of paper per unit area, expressed in grams per square meter, which is the basic basis for paper measurement. The basis weight of the paper is a minimum

With the development of society and technological progress, people have higher and higher requirements for the appearance of paper, and most of the dryer sections of paper machines use ordinary dry felt or dry screen.BUT:The surface of the ordinary dry felt is fine, but the air permeability is low;

How much do you know about Top Former Suction System?The top former is a part of the PM wire part. It is installed between the under-pressure and suction boxes, approximately in the second third of the wire table. Its most important part is a three-chamber suction box with different under-pressure v