NBR Foam Seals from Japan
Nitrile butadiene rubber (NBR) closed-cell foam seals for oil-resistant applications in engines. HTS 4016.10.00.00 covers this synthetic cellular vulcanized rubber, qualifying under Chapter note 2(b). Excellent resistance to fuels and chemicals.
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
• Provide ACR test results showing synthetic rubber compliance with vulcanization specs
• Avoid engine assembly import; standalone seals stay in Chapter 40