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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If white/uncolored
White colored variants have distinct subheadings from other colors.
If slag wool composition
Slag-based mineral wools classify in Chapter 68 per Chapter Note exclusions.
If imported with compressor parts
Parts of compressors including insulation classify under machinery headings.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Certify against melting point standards (>1600°C); declare width and weight per sqm; avoid bulk packing misdeclaration as yarn
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