This kind of polyester spiral belt is made of polyester spiral dryer fabric which is filled with stuff to reduce the air permeation and to intensitive the opening, hence to reduce the material loss from the mesh opening.

Polyester Spiral Press-filter Fabrics is suitable for high-pressure press-filter washer, horizontal belt washer, pulp-liquor separator and netting belt coal-washer.

Spiral filter fabrics has been extensively used in all kinds of industries such as printing and dying, food, salt industry, pharmaceutical, environment protection, process hides, shoe-making, clothing, pottery and other conveyable belt etc.