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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-silica high-temp glass fabrics
Other glass compositions without silica purity spec use different statistical categories.
If rubberized or impregnated
Impregnated rubberized textile fabrics move to Chapter 56.
If in bottle or container form
Glass articles like containers have separate Chapter 70 headings.
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Import Tips & Compliance
• Include flame resistance test reports; specify 'closed fabric' vs mat in entry docs; prepare for fiber content audits
Related Products 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.