Unsaturated Polyester Electrical Insulation Board from Japan
Rigid boards of noncellular unsaturated polyester for electrical panel insulation and transformer covers. Classified HTS 3920.63.2000 as other polyester sheets. High dielectric strength.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include dielectric strength test data for customs verification
• Classify as semi-finished, not electrical apparatus parts
• Watch copolymer blends; may shift if another monomer predominates