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

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.1%+35.0%38.1%
🇲🇽Mexico3.1%+10.0%13.1%
🇨🇦Canada3.1%+10.0%13.1%
🇩🇪Germany3.1%+10.0%13.1%
🇯🇵Japan3.1%+10.0%13.1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8477.20.00Same rate: 38.1%

If twin-screw design

Twin screw extruders for rubber have separate statistical suffixes from single screw provisions.

4009.41.00.00Lower: 37.5% vs 38.1%

If imported pre-assembled with rubber tubing

Articles of vulcanized rubber like pre-extruded tubes classify in Chapter 40, not as machinery parts.

8479.89Lower: 12.5% vs 38.1%

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