High-Purity Silica Fabric for Furnace Curtains from Japan
Uncolored, closed-weave silica filament fabric (>93% silica) used for protective curtains in high-temperature furnaces. Classified under HTS 7019.72.40.30 due to its chemically bonded structure and exceptional thermal stability. Ideal for aerospace and metallurgy applications requiring non-combustible barriers.
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
• Include manufacturer specs confirming filament composition and weave type (closed fabric); declare as non-apparel to avoid textile chapter confusion
• Common pitfall: undervaluation based on weight rather than thermal performance specs