Double Superphosphate Granules 40% P2O5 from China
Double superphosphate (DSP) granules offer 40% P2O5 in water-soluble form, produced via wet process phosphoric acid. Classified in HTS 3103.11.00.00 for superphosphates ≥35% P2O5, not retail packaged. Suitable for basal fertilizer applications in row crops.
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)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Ensure no chlorine content that could reclassify as 3102 ammonium chloride mixes
• Use ISPM-15 compliant wooden pallets for bulk shipments to meet phytosanitary standards
• Monitor for cadmium contamination thresholds per fertilizer import regulations