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Medical Grade Silicone Rubber Thread from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

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