Battery Separator Nonwoven from Mexico
Thin nonwoven fabric ≤25 g/m² coated with ceramic nanoparticles for lithium-ion battery separators. Classified in HTS 5603.91.0010 for nonwovens with specialized non-plastic/non-rubber coatings enhancing thermal stability. Critical component in EV battery production.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide nanoparticle coating affidavits; visible coating test prevents Chapter 39 misrouting
• Comply with REACH-like declarations for battery materials; track origin for USMCA preferences
• Avoid declaring as 'parts of batteries' prematurely to stay in Chapter 56 for lower duties