Porcelain Compressor Piston Ring from Japan
Fired porcelain ring for pistons in air compressors used in chemical plants, providing wear resistance. HTS 6909.11.20.00 covers this as a machinery part of porcelain for technical uses.
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
• Document end-use in chemical/agricultural machinery to justify technical classification
• Retain firing temperature records (>800°C) to prove Chapter 69 eligibility
• Avoid bulk packaging mislabeling as consumer goods, triggering Chapter 69 exclusions