Industrial Dolomite Lump for Refractories from Japan
Lump dolomite sized 2-6 inches for refractory brick feedstock, not calcined or sintered, rectangular block form. HTS 2518.10.00.00 applies to this unsintered industrial mineral product.
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
• Size grading certificates (lump specifications) prevent gravel misclassification under 2517
• MgO/CaO ratio assays confirm dolomite identity vs limestone substitutes
• Bulk container loading maintains 'block/slab' form factor requirement