Sintered Dolomite Slabs for Glass Furnace Crowns from Japan
Large rectangular slabs sintered from dolomite for crown construction in soda-lime glass melting furnaces. HTS 2518.20.00.00 applies to these roughly cut, thermally processed slabs before final refractory shaping.
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 slab thickness measurements (<0.508mm excludes mica definitions but confirms dolomite)
• Certify no precious stone content per Chapter exclusions for tariff validity
• Ship on pallets as industrial slabs, not finished articles, to stay in Chapter 25