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Ceramic Retort Tube from Mexico

Fired mullite ceramic retort tube for gas purification processes at elevated temperatures. Specifically listed under HTS 6903.90.00.50 as refractory ceramic goods for chemical reactions.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Document end-use in chemical processing; provide mullite phase analysis; avoid electrical fitting classification by function emphasis

Ceramic Retort Tube from Mexico — Import Duty Rate | HTS 6903.90.00.50