Silica Filament Woven Fabric for Furnace Curtains from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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