Spiral dryer fabric 1.Size:big/middle/small 2.Thickness:1-3mm 3.Weight:1-2 kg/m2 4.Air permeability:13500-21500 m3/m2 Polyester Spiral Dryer FabricsAccording to Finland standard with first-class monofilament, which makes the polyester spiral fabric, has the characteristic of stable property and long work time .The mesh is extensively used for producing cardboard, Kraft paper, corrugated paper, ...