Extrusion

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    PVC Pipe Extrusion Start-up Procedure

    Rigid PVC Pipe: Start-Up

    Although this procedure describes CM-80 twin screw pipe extrusion start-up using pressure sizing, many of the same steps are also necessary for any extrusion process, regardless of end product or extruder type.


    A listing of problems and possible remedies at each stage of the extrusion process is presented,
    from the hopper, down the barrel, out the die, sizing, cooling, haul-off, and through the saw.


    Understanding the salient differences between single and twin screw extrusion of rigid PVC powder blends is an important part of  a full, overall understanding of  rigid PVC processing technology


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