Glass inners for vacuum flasks or for other vacuum vessels
Other articles of glass: > Glass inners for vacuum flasks or for other vacuum vessels
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 7020.00.40.00
Borosilicate Glass Inner for Thermos Vacuum Flask
This is the inner glass liner made from borosilicate glass designed specifically for use inside thermos vacuum flasks to hold hot or cold liquids. It fits precisely within the outer stainless steel shell, creating the vacuum insulation layer essential for thermal retention. Classified under HTS 7020.00.4000 as a glass inner component for vacuum vessels, not the complete assembled flask.
Glass Liner Inner for Laboratory Vacuum Dewar Flask
High-purity borosilicate glass inner container for cryogenic vacuum Dewar flasks used in scientific labs to store liquefied gases. The inner wall forms the vacuum space with the outer wall for superior insulation. Falls under HTS 7020.00.4000 as glass inners dedicated to vacuum vessels.
Borosilicate Inner Flask for Coffee Thermal Carafe Vacuum Vessel
Glass inner flask for electric coffee maker thermal carafes, creating vacuum insulation between glass and stainless exterior to keep coffee hot. Precision-molded with handle recess for vacuum vessel integration. Classified in HTS 7020.00.4000 as glass inners for vacuum vessels.
Quartz Glass Inner for Industrial Vacuum Reaction Vessel
Fused quartz glass inner cylinder for high-temperature industrial vacuum reaction vessels used in chemical processing. Provides chemical resistance and vacuum integrity under extreme conditions. HTS 7020.00.4000 includes such glass inners per fused silica definition in chapter notes.
Glass Inner Tube for Portable Vacuum Camping Mug
Thin-walled borosilicate glass inner tube for stainless steel camping vacuum mugs, enabling 24-hour hot/cold retention via vacuum insulation. Features leak-proof lid threading. HTS 7020.00.4000 for glass inners of such portable vacuum vessels.
Replacement Glass Inner for Stanley Adventure Vacuum Bottle
OEM replacement borosilicate glass liner for Stanley stainless steel vacuum bottles, featuring a threaded neck for secure vacuum seal. Designed to maintain beverage temperature through double-wall vacuum insulation. HTS 7020.00.4000 covers such glass inners for consumer vacuum vessels.