High-Temperature Bimetallic Screw for PET Extrusion
Bimetallic barrel screw engineered for high-temperature extrusion of PET for bottle preforms, with enhanced wear resistance for abrasive polyester melts. Falls under HTS 8477.90.45.01 as a part for plastics profile extrusion machinery. Features optimized flight geometry for shear-sensitive materials.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If parts for rubber mixing machinery
Identical screws for rubber processing classify under heading 8478 for rubber working machinery.
If integral to large-scale drying ovens
Use in unrelated drying machinery for plastics pellets shifts to heading 8419 parts.
If for blown film co-extrusion lines with auxiliary machinery
Machinery combining plastics extrusion with other processes (e.g., blowing) may use heading 8438.
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Import Tips & Compliance
• Specify polymer type (PET) in commercial invoices to affirm plastics machinery use
• Include flight pitch and compression ratio details for engineering validation
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