Uncolored Glass Fiber Battery Separator Mat from China
A chemically bonded, closed-structure non-woven fabric from colorless glass fibers used as separators in lead-acid batteries to prevent short circuits. Classified under HTS 7019.72.40.60 as other non-colored closed chemically bonded glass fiber fabrics. The closed pore structure is achieved via chemical binders, distinguishing it from papers or tissues.
Duty Rate — China → United States
42.3%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
• Include technical specs showing closed fabric structure and chemical binder use; battery manufacturers often require certifications
• Avoid classifying as battery parts under 8507 if imported separately
• Pitfall: confusing with cellulose-based separators under paper headings