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. Specification: Model: super loop, large loop, middle loop, small loop CFM: 280-570 Thickness: 1.87-3.03 mm Weight: 1.5-2.3 kg/m2 Suitable for: high-pressure press-filter washer, horizontal belt washer, pulp-liquor separator and netting belt coal-washer. 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 est.Huatao Paper Machine Fabric Factory Website:http://www.papermakingtech.com Tel: 86-311-80772027 E-mail: maple.zhao@huataogroup.com Skype: huatao03, huatao04 , huatao05