Ground Phosphorite Rock from Mexico
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 — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 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