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Medical Grade Silicone Rubber Thread

Vulcanized silicone rubber thread for surgical sutures and medical device elastic components. Silicone qualifies as synthetic rubber under chapter definitions when vulcanized, classified in 4007.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

3916.20.00Higher: 43.3% vs 37.5%

If non-vulcanized silicone polymers

Unvulcanized silicone profiles classify as plastics in Chapter 39.

3006.50.00.00Lower: 12.5% vs 37.5%

If pre-assembled into surgical sutures

Finished pharmaceutical goods including sutures go to Chapter 30.

4009.41.00.00Higher: 40% vs 37.5%

If with textile covering for medical use

Covered rubber thread for machinery transmission belts falls in 4009.

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

• Include biocompatibility certifications (ISO 10993) and sterilization records

• Distinguish from plastic monofilaments in 3916 by vulcanization proof

• Avoid classification as Chapter 90 surgical articles if sold as raw thread