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Quarried Dolomite for Glass Manufacturing from Japan

High-purity dolomite blocks for flat glass production, delivered raw without calcining. Covered by HTS 2518.10.00.00 as not calcined or sintered dolomite in block form.

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

• Glass-grade purity specs (>18% MgO) documentation supports specialized classification

• Prevent contamination during shipping to maintain chemical purity claims