3103.19.00.00/Double Superphosphate Granules (DSP)/Mexico

Double Superphosphate Granules (DSP) from Mexico

Double superphosphate (DSP) provides 40-46% P2O5 through a two-stage phosphoric acid process on phosphate rock, free of calcium sulfate unlike SSP. Classified under HTS 3103.19.00.00 as other superphosphates for high-analysis field application in row crops and vegetables. Its low sulfur content makes it ideal for sulfur-sensitive soils.

Duty Rate — Mexico → 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
Calculate with your customs valueVerify classification with AI

Import Tips

• Document production process proving no sulfuric acid use to distinguish from SSP under 3103.10; request advance ruling for blends

• Ensure granules meet uniform size specs (2-4mm) to avoid reclassification as powder under different duties