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?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
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
Single Screw Extruder for Rubber Tires
A precision-engineered single screw component designed for extruders used in processing natural or synthetic rubber into tire treads and sidewalls. It falls under HTS 8477.20.00.05 as it is specifically for rubber thermosetting materials, facilitating uniform melting and shaping in extrusion lines. This part ensures high-volume production with consistent material flow.
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
Engineered single screw for high-torque extruders processing EPDM rubber into weatherstripping and automotive seals. Falls under HTS 8477.20.00.05 for its role in thermosetting rubber extrusion machinery. Features deep channel geometry for shear-sensitive rubber compounds.
Corrosion-Resistant Single Screw for Silicone Rubber Extrusion
A single screw with corrosion-resistant alloy coating for extruding liquid silicone rubber (LSR) into medical tubing and seals. It qualifies for HTS 8477.20.00.05 as it's engineered for thermosetting rubber processing in high-precision extruders. The design handles LSR's unique curing requirements during extrusion.