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Fiberglass Battery Separator Fabric from Canada

Thin, chemically bonded non-woven fabric of uncolored glass microfibers serving as separators in lead-acid batteries. Classified in HTS 7019.72.40 for other not colored chemically bonded glass fiber closed fabrics. Ensures electrolyte flow and prevents short circuits.

Duty Rate — Canada → United States

17.3%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Include purity certificates for electrical grade glass; note microporous structure in docs

Avoid pitfall: classifying as plastic under 3920 if resin-impregnated