Fired Clay Chimney Liners from Japan
Cylindrical fired clay sections used to line interior chimney flues for heat and corrosion resistance in residential construction. HTS 6905.90.0050 covers these as other ceramic constructional goods. Distinguished from building bricks in 6904 by specific chimney application.
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 flue dimension specs and firing certificates to prove constructional use
• Test for water absorption under 3% if stoneware-like
• Pitfall: importing with mortar as a set may trigger parts classification