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Phthalic Anhydride Export Specification PA-01 from Mexico

Standard export grade phthalic anhydride meeting ASTM D4286 PA-01 specifications for alkyd and polyester production. Branded specification doesn't affect chemical classification under HTS 2917.35.00.00 as pure aromatic anhydride.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

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

Import Tips

Reference ASTM D4286 compliance in import docs but note it doesn't change tariff classification

Color specification (APHA <50) important for resin manufacturers - test at entry if disputed