Natural Rubber Expansion Joints for Piping from Japan
Flexible connectors made of vulcanized natural rubber to absorb thermal expansion in plumbing or industrial pipes. Classified under HTS 4016.99.35 as other natural rubber articles, not basic tubes due to bellows shaping. Excludes hard rubber and pipe fittings of other chapters.
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
• Certify pressure ratings and rubber composition for customs review
• Distinguish from plastic (Chapter 39) via material tests
• Declare as rubber, not Chapter 73 metal pipe fittings if rubber dominant