Silica filament fabric of filaments with silica content greater than 93 percent (622)
Glass fibers (including glass wool) and articles thereof (for example, yarn, rovings, woven fabrics): > Mechanically bonded fabrics: > Closed woven fabrics of rovings: > Other: > Colored: > Other > Silica filament fabric of filaments with silica content greater than 93 percent (622)
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Products classified under HTS 7019.61.90.30
Silica Filament Woven Fabric for Aerospace Insulation
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.
Colored Silica Roving Fabric for Furnace Curtains
Durable, colored closed woven fabric from high-purity silica filaments (>93% silica) used as protective curtains in industrial furnaces. Classified in HTS 7019.61.90.30 due to its mechanical bonding, roving construction, color, and exceptional silica purity for heat resistance. Ideal for environments exceeding 1000°C.
High-Purity Silica Fabric for Kiln Seals
Specialized colored woven silica filament fabric with >93% silica, used for gaskets and seals in high-temperature kilns. It qualifies for HTS 7019.61.90.30 as a mechanically bonded, closed woven roving fabric meeting the silica purity and coloration criteria. Provides superior thermal barrier properties.
Silica Woven Roving for Fire Blankets
Colored, high-silica (>93%) filament fabric woven from rovings, engineered for industrial fire blankets in foundries. HTS 7019.61.90.30 applies to this mechanically bonded, closed woven product due to its specific silica content and coloration. Offers non-combustible protection at extreme temperatures.
Thermal Silica Filament Cloth for Weld Curtains
Robust colored fabric from >93% silica rovings, closed woven for welding screens and curtains in heavy industry. Classified under HTS 7019.61.90.30 for its high silica purity, mechanical bonding, and roving weave structure. Resists molten metal splatter and radiant heat.
Industrial Silica Roving Textile for Expansion Joints
High-grade colored woven silica fabric (>93% silica filaments) for filling expansion joints in kilns and boilers. Meets HTS 7019.61.90.30 as mechanically bonded closed woven rovings with specified purity. Ensures flexibility and heat resistance in dynamic high-temp environments.
Silica Fabric for Rocket Motor Insulation
Precision-woven colored fabric from ultra-high purity silica filaments (>93%), used in rocket motor thermal liners. HTS 7019.61.90.30 covers this mechanically bonded roving fabric due to silica content and aerospace-grade specs. Critical for ablation resistance in propulsion systems.