Armacell Glass Wool Flexible Insulation Duct Liner
Flexible glass wool duct liner used for thermal and acoustic insulation inside rectangular HVAC ducts. The material features an antimicrobial surface treatment to prevent microbial growth, enhancing indoor air quality. It falls under this tariff item as an article of glass wool.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the duct liner is considered a general glass fibre article rather than specifically glass wool.
The alternative covers other articles of glass fibres, which may apply if the product is not classified as glass wool.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify that the duct liner's glass wool composition meets the silica and alkaline oxide thresholds in Chapter 70 note 4
• Keep technical datasheets to demonstrate the product's insulation properties for CBSA classification
• Check if the antimicrobial treatment affects the tariff classification
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