This kind of polyester
spiral belt is made of polyester spiral dryer fabric which isfilled with stuff to reduce the
air permeation and to intensitivethe
opening, hence to reduce the material loss from the mesh
opening. Polyester spiral press filter belt is mainly used in sludge
dewatering and desiccation, paper pulp washing, coal washing,
chemicals, dehydration of bran, vinegar bran dehydration and other
industries. It is better in the high ventilation
part of the dryness part of paper-making machine
