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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for lower silica content filaments
Filaments with ≤93% silica shift to general 'other' glass fiber fabric classifications.
If in yarn form rather than fabric
Yarns and rovings of silica filaments classify under earlier subheadings before fabrics.
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Import Tips & Compliance
• Include material safety data sheets confirming non-hazardous silica composition; declare weave type (closed fabric) explicitly; be prepared for additional scrutiny on 'colored' claims with dye specs
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.