Low-Shear Mixing Screw for Medical Tubing Extrusion
Low-shear barrel screw with distributive mixing sections for extruding medical-grade PVC tubing. Part of plastics machinery for profile extrusion, under HTS 8477.90.45.01. Ensures uniform melt without degrading heat-sensitive polymers.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If assembled into complete medical device production line
Direct integration into medical instruments classifies under Chapter 90 heading 9018.
If for rubber injection molding instead of plastics
Rubber-specific versions fall under separate 8477 subheadings for rubber machinery.
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Import Tips & Compliance
• Include biocompatibility certifications for medical plastics use
• Document cleanroom manufacturing to support classification
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