Phthalic Anhydride Export Specification PA-01 from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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