twin screw barrel for PVC pipe extruder machine Highest and Stable Output with Less back pressure. Low ... Melt temperature. twin screw barrel for PVC pipe extruder ... quality alloy steelTechnology: nitriding treatment, alloy coating spraying, heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS, AS etcTechnical Index (30g-25000g): ...