Barrier Single Screw for Melamine Extrusion
A barrier-type single screw for extruding melamine-formaldehyde thermoset resins into laminates and moldings. Classified in HTS 8477.20.00.05 for thermosetting plastics processing in dedicated extruders. The barrier design prevents resin degradation during high-heat extrusion.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If parts of plastic injection machines
Thermoset screws for discontinuous injection molding use injection-specific parts headings.
If incorporating carbon fiber reinforcement
Articles of carbon fiber may classify in Chapter 68 if not primarily machinery function.
Not sure which classification is right?
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Import Tips & Compliance
• Certify screw's pressure rating for thermoset viscosities in technical datasheets for customs review
• Avoid bulk shipments without individual packaging to prevent 'set' classification shifts
• Partner with customs brokers familiar with Chapter 84 statistical breaks for precise duty calculation
Related Products under HTS 8477.20.00.05
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Nitrided Single Screw for Thermoset Plastic Profiles
A nitrided steel single screw optimized for extruding thermosetting plastics like phenolic resins into profiles for electrical insulation. Classified under HTS 8477.20.00.05 due to its use in thermoset material processing equipment. The nitriding enhances wear resistance for high-temperature, abrasive thermoset extrusion.
High-Torque Single Screw for EPDM Rubber Seals
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Corrosion-Resistant Single Screw for Silicone Rubber Extrusion
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