Ground Phosphorite Rock from China
Finely ground natural calcium phosphate rock extracted from sedimentary deposits, used primarily as a raw material in phosphate fertilizer production. Classified under HTS 2510.20.00.00 as ground natural calcium phosphates, distinguishing it from unground ores in 2510.10. It meets the chapter definition for mineral products not covered by other headings like chemical precipitates.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify purity through lab analysis to confirm natural origin and avoid reclassification as synthetic phosphates under Chapter 28; obtain geological source certificates; ensure particle size documentation matches 'ground' criteria under statistical notes