New

Ask Wove anything about tariffs.

Try Tariff Assistant

Medical Grade Silicone Rubber Thread

Medical grade silicone rubber thread, vulcanized silicone rubber thread for surgical sutures and medical device elastic components. Silicone qualifies as synthetic rubber under chapter 40 definitions when vulcanized, and the thread is not covered, so it falls under tariff item 4007.00.20.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
πŸ‡¨πŸ‡³China4.5%β€”4.5%
πŸ‡²πŸ‡½Mexico4.5%β€”4.5%
πŸ‡ΊπŸ‡ΈUnited States4.5%β€”4.5%
πŸ‡©πŸ‡ͺGermany4.5%β€”4.5%
πŸ‡―πŸ‡΅Japan4.5%β€”4.5%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

9018.39.00Lower: Free vs 4.5%

If the thread is part of a surgical suture kit

Surgical sutures and related medical devices are classified under heading 9018.

4008.29.00Lower: Free vs 4.5%

If the thread is cut to specific lengths for medical use

Cut-to-length rubber thread may be classified as other articles of vulcanized rubber.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item β€” and can price the duty on it in the same conversation.

Import Tips & Compliance

β€’ Confirm the silicone rubber meets the synthetic rubber definition in chapter note 4

β€’ Ensure the thread is not covered with any material; if it is part of a medical device, consider other headings

β€’ Provide Health Canada documentation if the thread is for medical use

Related Products under Tariff item 4007.00.20

Automotive Door Seal Rubber Cord

Automotive door seal rubber cord made of vulcanized EPDM rubber, profile-extruded for weatherstripping applications. It is a continuous cord of unvulcanized or vulcanized rubber, not covered with textile or other materials, and is classified under tariff item 4007.00.20 as cord, not covered.

Industrial Rubber Conveyor Thread

Industrial rubber conveyor thread made of high-tensile synthetic rubber cord used for reinforcing conveyor belting sidewalls. It is a vulcanized rubber cord, not covered with textile, and is classified under tariff item 4007.00.20 as cord, not covered.

Latex Rubber Cord for Mask Earloops

Latex rubber cord for mask earloops, thin vulcanized natural latex rubber cord extruded and vulcanized for disposable face mask attachments. It is a continuous cord, not covered, and qualifies under tariff item 4007.00.20 as cord, not covered.

Neoprene Rubber Diving Suit Thread

Neoprene rubber diving suit thread, vulcanized polychloroprene rubber thread for stitching wetsuit seams. It is a vulcanized synthetic rubber cord, not covered, and qualifies under tariff item 4007.00.20 as cord, not covered.

Rubber Core Yarn Thread

Rubber core yarn thread, vulcanized rubber core thread with minimal textile wrap for hosiery production. The rubber provides essential elasticity, and the thread is classified under tariff item 4007.00.20 as cord, not covered, before full yarn integration.

Synthetic Rubber Bungee Cord Thread

Synthetic rubber bungee cord thread, vulcanized synthetic rubber thread used in bungee cords and elastic tie-downs, providing stretch and recovery. It meets synthetic rubber vulcanization criteria and is classified under tariff item 4007.00.20 as cord, not covered.