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Planetary degassing makes single screw extruder suitable for undried A-PET

机译:行星式脱气使单螺杆挤出机适用于未干燥的A-PET

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摘要

A SINGLE screw extruderfor PET thermoforming sheet production has been developed by Battenfeld Extrusionstechnik as a cost-effective alternative to extruder/dryer/crystalliser combinations or high output twin screw extruders.Single screw extruders are not really suitable for processing PET without a pre-dryer because they lack the surface/volume ratio for driving out moisture during plasticising.
机译:Battenfeld Extrusionstechnik已开发出一种用于PET热成型片材生产的单螺杆挤出机,作为挤出机/干燥机/结晶器组合或高产量双螺杆挤出机的经济有效替代方案。单螺杆挤出机实际上不适合在没有预干燥机的情况下加工PET它们缺乏在塑化过程中驱除水分的表面/体积比。

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