High-Silica Filament Fabric for Kiln Seals from Mexico
Mechanically bonded closed woven fabric from rovings of silica filaments (>93% silica), used for seals and gaskets in kilns and ovens. Falls under HTS 7019.61.40.30 due to its uncolored, high-purity silica composition and woven structure. Ideal for extreme heat resistance up to 1600°C.
Duty Rate — Mexico → United States
17.3%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide manufacturer specs confirming >93% silica and mechanical bonding process to customs
• Label shipments clearly as 'silica filament fabric >93% SiO2' to prevent reclassification
• Check for anti-dumping duties on glass fiber products from certain origins