... extusion. Used to extrude hose and other flexible PVC products. PVC tube, duct, hose, pipe. Applicable to ... extusion. Used to extrude hose and other flexible PVC products. PVC tube, duct, hose, pipe.For various hollow ... Common(30A-95A), used in shoes or toys;PVC foam(30A-95A), used in platform/the use of ... low density of PVC foam;PCU (30A-95A), physical foamming for shoe soles ...