2508.40.01.50/Calcined Kaolin Metakaolin/Japan

Calcined Kaolin Metakaolin from Japan

Partially calcined kaolin producing metakaolin for high-performance concrete Pozzolanic reaction. HTS 2508.40.0150 includes calcined 'other clays' unless specifically chamotte; metakaolin qualifies as processed clay.

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

• Provide calcination temperature records (<900°C) to differentiate from full mullite

• Test for pozzolanic activity but declare as clay product, not cement additive

Calcined Kaolin Metakaolin from Japan — Import Duty Rate | HTS 2508.40.01.50