Isophthalic Acid for Unsaturated Polyester Resins from Canada
Specialty grade isophthalic acid formulated for corrosion-resistant unsaturated polyester resins used in fiberglass reinforced plastics. Pure chemical compound classification under HTS 2917.39.1500 per Chapter 29 note (a). Key for chemical storage tanks and pipes.
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
• Include resin formulation specs showing IPA usage rate (25-35%)
• Certify low color (APHA <20) critical for gelcoat applications
• Declare VOC content for resin reactor emissions compliance