Alumina Ceramic Retort for Chemical Processing from Japan
Fired alumina retort (>80% Al2O3) used for high-temperature chemical reactions and distillation. Refractory vessel withstands corrosive environments and thermal shock, classified HTS 6903.20.00.00.
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
• Provide chemical compatibility certificates and thermal expansion data
• Classify as discrete refractory article, not chemical reactor component
• Ensure marking shows material composition and firing specifications