USG Securock Glass Mineral Wool Insulation
Fire-resistant glass mineral wool boards for shaft walls and plenums, tested to ASTM E84. They are insulation products made from glass wool with high silica content.
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 boards are considered other articles of glass wool
This alternative covers glass wool products not specifically classified as insulation.
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 the glass wool meets the mineral wool definition in Chapter 70 note 4
• Provide ASTM E84 test results and material datasheets to CBSA for verification
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