Copper Foil with Polyimide Insulation from Japan
Thin copper foil laminated with polyimide film insulation for flexible printed circuits. HTS 8544.49.30 covers insulated copper conductors in flexible form ≤1,000V. Used in electronics where flexibility and heat resistance are critical.
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
• Distinguish from etched flex circuits (8534) by declaring as insulated conductor
• Specify copper foil thickness (e.g
• 1oz, 2oz) and polyimide film type
• Include flex rating and temperature class certification