Spiral Press Filter Belt is made of 100% polyester, it is filled with stuff to reduce the air per , so that to reduce the material loss from the mesh opening . It is suitable for high-pressure press-filter washer, horizontal belt washer, pulp-liquor separator, netting belt coal-washer and belt filter press . It has been extensively used in all kinds of industries such as printing, drying food, environment protection, salt industry, pharmaceutical industry, ming industry, pottery and other industry.