Pre-Cut Aluminum Foil Heat Shields for Batteries from Mexico
Custom-cut rectangular aluminum foil pieces, 0.12 mm thick, serving as thermal barriers in lithium-ion battery packs. Under HTS 7607.19.30.00 as unbacked, shape-cut foil not exceeding 0.15 mm thickness. Critical for EV and consumer electronics safety.
Duty Rate — Mexico → United States
55.7%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Document thermal conductivity specs to justify end-use and prevent bulk foil classification
• Use FDA or REACH certifications if for consumer batteries to ease regulatory clearance
• Measure thickness precisely; even minor adhesive residue can trigger backed foil scrutiny