3103.90.01.00/Single Superphosphate Granules/China

Single Superphosphate Granules from China

Single superphosphate (SSP) contains 16-20% P2O5 and 11-12% sulphur, made by treating phosphate rock with sulfuric acid. Classified under HTS 3103.90.01.00 as a superphosphate explicitly covered by heading 3103 for phosphatic fertilizers in bulk form.

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

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Import Tips

• Ensure product meets single superphosphate definition with proper P2O5 and sulfur content declaration on commercial invoice

• Bulk shipments require proper ventilation in containers to prevent caking from moisture exposure

• Declare exact manufacturing process (sulfuric acid treatment) to avoid misclassification as basic slag