Argon-Filled Double-Glazed Window Unit
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sheets have colored or opacified coatings
Glass with additional tinting or non-reflecting layers beyond basic insulation classifies under heading 7005 subheadings.
If imported with base metal mounting hardware as a set
If packaged with essential metal frames or hinges for retail sale, it may be treated as a set under base metal mountings in heading 8302.
If for paving blocks or similar glass units
Glass units designed for flooring or paving, not windows, shift to heading 7016 for other glass articles.
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Import Tips & Compliance
• 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
Related Products under HTS 7008.00.00.00
Soundproof Multiple-Walled Glass Unit
Insulated glass unit with asymmetric pane thicknesses and air space tuned for noise reduction in urban windows. HTS 7008.00.00.00 applies as multiple-walled glass for insulation, with acoustic benefits secondary. Common in hotels near airports.
Fire-Rated Glazed Insulating Unit
Multiple-walled glass with intumescent layers for 20-60 min fire resistance in partitions. HTS 7008.00.00.00 for insulating walls of glass. Building code compliant.
Custom Curved Insulated Glass Unit
Bent double-pane unit for arched windows, sealed post-annealing. 7008.00.00.00 as multi-walled per note (a).
Patio Door IG Unit
Large-format double-glazed for sliding doors, gas-filled. Pure 7008 classification.
Double-Pane Insulated Glass Unit
A multiple-walled insulating unit consisting of two glass panes separated by an air or gas-filled spacer, designed primarily for use in windows to reduce heat transfer. It falls under HTS 7008.00.00.00 as it is a multiple-walled insulating unit of glass, meeting the definition without further processing beyond assembly. These units enhance energy efficiency in residential and commercial buildings.
Triple-Glazed Insulating Glass Unit
An advanced multiple-walled unit with three glass panes and two sealed chambers filled with inert gas for superior thermal insulation in high-performance windows. Classified under HTS 7008.00.00.00 due to its multi-layered glass construction designed specifically for insulation. Ideal for cold climates or energy-efficient building codes.