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

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