Vacuum Insulated Glass Unit
Ultra-thin multiple-walled glass unit with a vacuum between panes for exceptional R-value insulation in slim window profiles. Classified in HTS 7008.00.00.00 for its multiple glass walls providing insulation, regardless of vacuum technology. Suited for historic building retrofits.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered cast or rolled with special profile
Glass profiles or tubes for vacuum, if not fully assembled units, fall under heading 7003 for cast/rolled glass.
If table, kitchenware or lab use with lead crystal
If adapted for household or lab with high lead content, shifts to heading 7013 glassware.
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Import Tips & Compliance
• Supply vacuum retention test data (e.g
• LT <0.3 mK/W) to validate insulating claims at entry
• Handle with anti-static packaging to protect micro-perforated getters inside
Related Products under HTS 7008.00.00.00
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.
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.