English China Clay (Kaolin) from Mexico
Premium kaolin from Cornwall deposits, known for high whiteness in bone china production. Falls squarely under HTS 2507.00.00.00 as the archetypal kaolinic clay.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Cornwall origin premium; provide geological survey verification
• Micaceous impurities checked via XRF analysis for purity
• Traditional ball mills tolerated; jet milling may trigger processing questions