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Polyphosphoric Acid Equivalent 115% Basis from Mexico

Phosphoric acid standardized to 115% P2O5 basis, bordering polyphosphoric but classified as simple phosphoric acid under HTS 2809.20.00.30. Used in catalyst production and polymer synthesis. Chemically defined per subheading note excluding true poly forms.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

Import Tips

Submit NMR spectra to distinguish from polyphosphoric acids in 2809.20.0010

Monitor viscosity; high values may trigger reclassification

Declare exact P2O5 content for accurate duty assessment

Polyphosphoric Acid Equivalent 115% Basis from Mexico — Import Duty Rate | HTS 2809.20.00.30