Calcined Natural Phosphate Fertilizer from Germany
Heat-treated natural phosphates from heading 2510, calcined for impurity removal and reactivity enhancement. Explicitly covered by HTS 3103.90.01.00 under heading 3103 note 3(a)(ii) for processed phosphatic fertilizers.
Duty Rate — Germany → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Processing records must prove calcination beyond mere impurity removal to justify Chapter 31 shift
• Radioactivity testing often required for phosphate rock derivatives; comply with NRC guidelines
• Declare exact calcination temperature and duration to distinguish from raw mineral products