... complete sheet extrusion machine, following machines are included:1, conical twin screw extruder2, T-die3, Roll stack (Vertical type)4, ... the suitable technical parameter for the machines. The lined PVC sheets description1. thickness: 1.0~2.0mm2. width: 1350mm3. the ... treatment, industrial wastwater, storage tanks, etc.5. The PVC sheets lined sewage pipes are stronger and more solid than ordinary ...