Introduction PVC Powder Helical Screw Conveyor is used for loading of PVC raw materials and additives into PVC mixers or extruders. The screw conveyor is one of the most commonly used loading device for PVC bulk materials. But its transportation distance and lifting height can not be far or high. The PVC Powder Helical Screw Conveyor is only used for short distance and limited height transportation with certain angle less than 90 degree C. Specification Detailed Pictures Factory Our ServiceCustomized Screw Conveyor website:http://www.kennethmixer.com/pvc-conveying-systems/screw-conveyor/