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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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