Sintered Dolomite Blocks for Kiln Linings from Japan
Rectangular blocks of dolomite sintered at high temperatures to achieve dense, heat-resistant structure for industrial furnace linings. Falls under HTS 2518.20.00.00 due to sintering process on roughly trimmed dolomite slabs, used primarily in lime kilns and glass manufacturing.
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 sintering temperature logs (>1400°C) to prove classification as sintered vs merely calcined
• Measure block dimensions to confirm rectangular shape from Chapter 25 note exclusions
• Avoid shipping in sets with binders, which could shift to 3816 dolomite ramming mixes