Bauxite-Derived Calcined Mullite from Japan
Bauxite-derived calcined mullite is produced by calcining bauxite to form the mullite phase, used in abrasive refractories. HTS 2508.60.00.00 covers this as calcined mullite distinct from raw bauxite ores.
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
• Include phase analysis showing predominant mullite crystallinity vs. remaining corundum
• Distinguish from raw bauxite via calcination certificates to avoid 2606 classification