High-Grade Double Superphosphate 42% from United States
High-grade double superphosphate (DSP) with 42% P2O5 is a dense, granular phosphatic fertilizer suitable for pneumatic application in large-scale farming. It is produced by acidulating phosphate rock with phosphoric acid, resulting in a concentrated phosphorus source. This product falls under tariff item 3103.19.00 as other superphosphates.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the DSP is free of added nitrogen or potassium to avoid classification under heading 31.05
• Provide a product specification sheet showing P2O5 content and granule density
• Confirm that the product is not packaged for retail sale, which would trigger heading 31.05