Maleic Acid for Unsaturated Polyester Resins from Germany
High-reactivity maleic acid specifically produced for unsaturated polyester resin (UPR) manufacture, classified under HTS 2917.19.23.00. Optimized color (APHA <20) and acid number (390-410 mg KOH/g). Essential raw material for composites and gelcoats.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify Gardner color scale and APHA color values in COA for resin manufacturers
• Use nitrogen-blanketed storage to prevent oxidation during transshipment
• Verify ortho-phthalic acid ratio compatibility for specific resin formulations