Man-Made Filament Nonwoven Battery Separator 35 g/m² from China
Microporous nonwoven separator sheet from man-made filaments weighing 35 g/m², used in lithium-ion batteries. Falls under HTS 5603.12.00.95 for nonwovens 25-70 g/m² of man-made filaments, with mechanical cohesion. Prevents short circuits while allowing electrolyte flow.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Classify as parts of batteries only if imported as such; standalone sheets stay in Chapter 56
• Document purity (no metal content) to prevent electrical machinery headings
• Lab certify thickness and porosity for technical verification