High-Purity Silica Filament Woven Fabric from Japan
This is a closed woven, plain weave fabric made from silica filaments with over 93% silica content, classified under HTS 7019.63.90.30 due to its mechanical bonding and colored composition. It is designed for extreme heat environments where standard glass fibers would degrade.
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 exceeds 93% via lab analysis to avoid reclassification; ensure documentation specifies plain weave and mechanical bonding; watch for customs scrutiny on 'colored' designation requiring pigment proof