Single Superphosphate Enriched to 38% P2O5 from Canada
Enriched single superphosphate (SSP) boosted to 38% P2O5 through additional phosphoric acid treatment for higher efficacy. Falls under HTS 3103.11.00.00 as it meets the superphosphate definition with ≥35% P2O5. Provides both phosphorus and sulfur for crop nutrition.
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
• Document manufacturing process to prove superphosphate status vs basic slag under 3103.10
• Label sulfur content accurately as SSP naturally contains gypsum-derived sulfate
• Avoid bulk bagging that mimics retail to prevent reclassification to 3105