Calibration sleeves for pipe extrusion mould 1,For pipe extrusion mould 2,Material:copper or stainless 3,Various sizes Calibration ... seeves for pipe extrusion mould Material:cooperOur main products:1,PE,PPR,PVC,ABS ... ,etc.2,Multi-color,Multi-layer pipe extrusion mould,Multi-pipe co-extrusion mould,etc.3,Mould components:Screen Changer ,Calibrator,Heater ...