Silica Filament Woven Fabric for Aerospace Insulation from Japan
A high-temperature resistant woven fabric made from silica filaments with over 93% silica content, designed for thermal insulation in aerospace applications. It falls under HTS 7019.61.90.30 as a closed woven fabric of silica rovings that is colored and meets the high silica threshold. This specialized material withstands extreme heat without degrading.
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 from manufacturer exceeding 93% to avoid reclassification; ensure documentation proves it's mechanically bonded woven roving fabric
• Common pitfall: mislabeling as generic glass fiber leads to audits