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): > Chemically bonded fabrics: > Other closed fabrics: > 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 7019.72.90.30
High-Silica Colored Filament Muffler Wrap
Chemically bonded closed fabric from colored >93% silica filaments, HTS 7019.72.90.30. Wraps high-performance exhaust mufflers, providing heat shielding and sound deadening at extreme temperatures. Automotive racing applications.
Silica Filament Foundry Mold Release Fabric
Colored, chemically bonded closed silica filament fabric (>93% SiO2), under HTS 7019.72.90.30. Used as release liner in metal foundry molds, preventing adhesion at molten temperatures. High purity prevents contamination.
Extreme Heat Silica Fabric for Flanges
HTS 7019.72.90.30 covers this colored closed chemically bonded fabric of >93% silica filaments. Cut into gaskets for high-pressure steam flanges in power generation. Maintains seal integrity beyond 1000°C.
Silica Filament High-Temp Filter Cloth
This specialized colored fabric from chemically bonded >93% silica filaments is HTS 7019.72.90.30 closed fabric. Functions as filter media in hot gas filtration systems for cement kilns. Fine weave captures particulates at elevated temperatures.
Colored Silica Fabric for Incinerator Liners
Chemically bonded closed weave fabric of colored filaments >93% silica content, HTS 7019.72.90.30. Lines waste incinerators, protecting metal structures from corrosive hot gases. Exceptional service life in oxidative atmospheres.
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.
High-Purity Silica Filament Woven Fabric
This woven fabric is made from continuous silica filaments with over 93% silica content, classified under HTS 7019.72.90.30 as a chemically bonded closed fabric that is colored. It offers exceptional thermal resistance and low thermal expansion, ideal for high-temperature applications. The high silica purity ensures minimal weight loss in extreme heat environments.
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.
Silica Filament Shielding Fabric
This dyed, closed-weave fabric from >93% silica filaments is categorized in HTS 7019.72.90.30 as other colored chemically bonded silica filament fabric. Primarily used for thermal and RF shielding in aerospace components, it provides excellent dielectric properties and heat protection. Chemical bonding enhances its structural integrity under vibration.
High-Temp Silica Fabric for Kiln Seals
Woven from continuous filaments with silica content >93%, this colored chemically bonded fabric is specified under HTS 7019.72.90.30. It serves as durable seals for industrial kilns, resisting thermal shock and chemical exposure. The closed fabric structure prevents fiber shedding in high-heat environments.
Dyed Silica Filament Expansion Joint Fabric
A colored, chemically bonded closed fabric of high-purity silica filaments (>93% SiO2), classified in HTS 7019.72.90.30. Used in expansion joints for pipes and ducts in power plants, it accommodates thermal movement while maintaining insulation. Its high silica content ensures long-term stability at elevated temperatures.
Silica-Based Thermal Blanket Fabric
This fabric, composed of colored filaments exceeding 93% silica and chemically bonded into a closed weave, is covered by HTS 7019.72.90.30. It forms the outer layer of thermal blankets for welding and molten metal handling. The high purity provides optical transmission for infrared viewing.
Colored High-Silica Filament Duct Wrap
Woven closed fabric from >93% silica filaments, chemically bonded and colored, under HTS 7019.72.90.30. Applied as duct wrap in HVAC systems for extreme heat zones, offering lightweight insulation superior to ceramic alternatives. Meets strict industrial fire safety standards.
Silica Filament Fire Curtain Material
Chemically bonded, colored closed fabric of silica filaments >93% pure, HTS 7019.72.90.30. Used in fire-rated curtains for theaters and industrial doors, providing transparent heat barriers during fires. High silica enables visibility through flames.
Premium Silica Fabric for Rocket Thermal Protection
Specialty colored, chemically bonded closed weave silica filament fabric (>93% SiO2), precisely HTS 7019.72.90.30. Engineered for rocket motor thermal protection systems, enduring reentry heat fluxes. Aerospace-grade purity minimizes outgassing.