Silica Filament Woven Fabric for Furnace Curtains from China
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 — 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
• 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