Fired Clay Chimney Liners from Japan
Cylindrical fired clay pipes lining interior chimney flues to protect against heat and corrosion. HTS 6905.90.00 covers these as ceramic constructional goods under the chimney liners provision.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document inner diameter and length for customs verification of liner function
• Avoid shipments heated <800°C which are excluded per Chapter note (b)
• Pair with mortar compatibility certs for compliance