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Calcium Metal Lumps from Japan

Irregular lumps of elemental calcium metal, typically 98-99% pure, obtained from electrolysis or aluminothermic processes, essential for lead-calcium battery alloys and pyrotechnics. Falls under HTS 2805.12.00.00 as unalloyed alkaline-earth metal in primary lump form per Chapter 28 notes.

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

• Provide certificates of analysis confirming calcium content >98%; use inert atmosphere packaging to prevent oxidation

• Comply with DOT hazardous material regulations (UN1401) for air/sea shipment

• Watch for reclassification if lumps exceed certain size thresholds treated as articles