... materials: PVC, PE, PBT, Nylon etc. 3.stable performance wire and cable sheating extruder: RD series high effective single screw extruder ... for wire and cable sheathing is result of our research, accumulate of ... , PE, PBT, Nylon, lower smoke and no-halogen material and fluorine plastic to produce wire, cable, optic fiber, optic cable sheathing ...