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Silica Filament Woven Fabric for Furnace Curtains from Mexico

High-temperature resistant woven fabric made from silica filaments with over 93% silica content, designed for use in furnace curtains and insulation barriers. Classified under HTS 7019.61.40.30 as closed woven fabric of rovings from silica filaments exceeding 93% silica, mechanically bonded. It provides thermal protection in industrial high-heat environments.

Duty Rate — Mexico → United States

17.3%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Verify silica content certification exceeding 93% via lab analysis to confirm HTS 7019.61.40.30 classification

Include technical datasheets showing filament composition and weave structure in import documentation

Avoid misclassification as general glass fiber fabric by specifying high-silica content on commercial invoice