Natural Gypsum Rock from Japan

Raw gypsum ore extracted from natural deposits, primarily calcium sulfate dihydrate in crystalline form. It falls under HTS 2520.10.00.00 as unprocessed gypsum, distinct from calcined plasters or anhydrite. Used as the base material for plasterboard and cement production.

Duty Rate — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Verify purity through lab analysis to confirm it meets gypsum (CaSO4·2H2O) composition and isn't calcined, avoiding misclassification as plaster

• Provide geological source documentation and quarry certificates for customs valuation and origin rules

• Use sturdy bulk bags or containers to prevent breakage; declare moisture content to avoid weight disputes