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Calcite Powder Precipitated Grade from Japan

Synthetic calcite powder produced by carbonation process, chemically equivalent to natural calcite but purer, under HTS 2836.50.00.00. Applications in toothpaste abrasives and optical coatings.

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

• Document carbonation production method to distinguish from natural grinding

• Provide refractive index (1.658) certification for optical grade validation

• Comply with Colgate/P&G specs for toothpaste-grade abrasivity limits