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2809.20.00.40/Industrial Polyphosphoric Acid for Polymer Catalysts/Mexico

Industrial Polyphosphoric Acid for Polymer Catalysts from Mexico

Viscous polyphosphoric acid used as a catalyst in alkylation and polyester production, with extended phosphate chains. It is a chemically defined compound under HTS 2809.20.00.40.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

• Test for free phosphoric acid content (<15%) to confirm poly form

• Ship in bulk tankers with heating coils to maintain fluidity

• Declare CAS 37267-86-0 or equivalent for polyphosphoric acids

Industrial Polyphosphoric Acid for Polymer Catalysts from Mexico — Import Duty Rate | HTS 2809.20.00.40