Solderable 37 AWG Copper Magnet Wire Spool from Mexico
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 — Mexico → United States
13.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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