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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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