Battery Separator Nonwoven Sheets from Mexico
Nonwoven mats of polyester staple fibers >150 g/m², used as separators in lead-acid batteries to prevent short circuits. Falls under HTS 5603.94.90.90 as other impregnated staple fiber nonwovens not excluded by chapter notes. Provides insulation and electrolyte flow.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Supply dielectric strength test reports to confirm nonwoven functionality without plastic embedding
• Certify fiber content to avoid Chapter 39 if reinforcing plastics dominate
• Check for REACH compliance if destined for EU markets with chemical impregnations