Polyester Sprial Dryer Fabrics 1,high air permeability 2,long working life 3, ... wear,no jiont 4,heat temperature resistant Polyester Sprial Dryer Fabrics Mesh Flat surface, high tensile strengthGood air permeabilityStable property ... paper for train fare, also used in filtration and sieving in environmental protection, printing, mine, machinery, food and other fields. We produce polyester spiral ...