... hard wear,no jiont 4,heat temperature resistance polyester sprial filter dryer mesh belt Flat surface, high tensile strengthGood ... paper, Filtration, Sieving, Mining industry Spiral belt , filter fabric, dryer screen : Spiral belt Purpose : producing of paper, corrugated paper ... mine, machinery, food and other fields. We produce polyester spiral belt made from first-class monofilament, in reference to ...