Argon-Filled Double-Glazed Window Unit from Mexico
A sealed double-pane glass unit filled with argon gas between panes to minimize thermal conductivity, commonly used in energy-efficient fenestration. It qualifies for HTS 7008.00.00.00 as a multiple-walled insulating unit where the glass walls provide the insulating function via gas encapsulation. Prevents condensation and improves acoustics.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare argon purity levels (>90%) and pressure test results to confirm seal integrity against customs scrutiny
• Use protective packaging to prevent shipping damage that could breach seals and trigger re-inspection
• Avoid mislabeling as 'window assemblies' if frames are absent, as this keeps it purely under glass headings