Single Superphosphate Enriched to 38% P2O5 from Japan
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 — Japan → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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