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