Solderable 37 AWG Copper Magnet Wire Spool from Japan
Ultra-fine 0.112 mm (37 AWG) solderable polyurethane-nylon copper winding wire on 3-inch spools. Specifically designed for high-density voice coils and micro-speaker production, qualifying under HTS 8544.11.0020 for fine copper winding wire.
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
• Provide winding pattern specifications showing intended coil formation to distinguish from hookup wire
• Document nylon topcoat for solderability; missing specs risk reclassification
• Declare bobbin material separately if plastic content exceeds 5% of total weight