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Detergent Builder Sodium Tripolyphosphate Flakes from Mexico

Flaked STPP serves as a primary builder in powdered laundry detergents for chelating calcium and magnesium ions. Classified as sodium triphosphate polyphosphate in HTS 2835.31.00.00. Pure form without organic stabilizers.

Duty Rate — Mexico → United States

11.4%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Comply with TSCA PMN if new formulation; note phosphorus regulations in target states

Bulk packaging requires proper venting for moisture control

Detergent Builder Sodium Tripolyphosphate Flakes from Mexico — Import Duty Rate | HTS 2835.31.00.00