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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If twin-screw design
Twin screw extruders for rubber have separate statistical suffixes from single screw provisions.
If imported pre-assembled with rubber tubing
Articles of vulcanized rubber like pre-extruded tubes classify in Chapter 40, not as machinery parts.
If for food processing extruders
Extruder parts for foodstuffs rather than pure rubber/plastics shift to Chapter 84 food machinery.
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Import Tips & Compliance
• Include FDA-compliant material statements if for medical end-use to facilitate customs clearance
• Watch for valuation issues; declare as replacement part with OEM part numbers for accurate duty assessment
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Nitrided Single Screw for Thermoset Plastic Profiles
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