Fired Clay Chimney Liners from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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