Isophthalic Acid for Unsaturated Polyester Resins from China
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 — China → United States
41.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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