Colored Silica Textile for Furnace Curtains
A specialized colored fabric woven from silica filaments exceeding 93% SiO2 content, falling under HTS 7019.72.90.30 for its chemically bonded, closed weave structure. Designed for high-temperature furnace curtains, it withstands temperatures up to 1200°C with superior infrared transparency. The coloring enhances visibility in industrial settings without compromising heat resistance.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If uncolored
Lack of coloring moves it to the uncolored variant within the same silica filament category.
If not meeting Chapter 70 glass wool/fiber definitions
Products failing glass fiber specs per Chapter Note fall under Chapter 68 as mineral wools.
If sold as woven fabrics of rovings rather than filaments
Roving-based fabrics classify separately from filament fabrics in heading 7019.
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Import Tips & Compliance
• Provide end-use statements for industrial applications to support valuation; ensure fabric meets 'chemically bonded' criteria via manufacturing specs; watch for quotas on high-silica imports from Asia
Related Products under HTS 7019.72.90.30
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Industrial Silica Filament Bellows Fabric
This >93% silica content colored fabric, chemically bonded into closed structure, is HTS 7019.72.90.30. Forms flexible bellows for high-temperature machinery connections, flexing without cracking. Used in steel mills and glass manufacturing.