Polyphosphoric Acid Equivalent 115% Basis from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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