Double Superphosphate Granules 40% P2O5 from Canada
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 — Canada → United States
0%
Rate breakdown
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