Sulfur hexafluoride
Halides and halide oxides of nonmetals: > Other > Sulfur hexafluoride
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 2812.90.00.10
Sulfur Hexafluoride Gas Cylinder
High-purity sulfur hexafluoride (SF6) gas supplied in standard high-pressure steel cylinders for industrial use. Classified under HTS 2812.90.0010 as a halide oxide of nonmetals, specifically sulfur hexafluoride, which is a chemically defined inorganic compound used primarily as an electrical insulator.
99.99% Pure Sulfur Hexafluoride SF6
Ultra-high purity (4N) sulfur hexafluoride gas, electronically graded for semiconductor manufacturing and particle accelerators. Falls under HTS 2812.90.0010 as chemically defined halide oxide of sulfur, meeting Chapter 28 purity standards.
Industrial Grade Sulfur Hexafluoride for GIS Switchgear
Technical grade SF6 gas for gas-insulated switchgear (GIS) in high-voltage electrical substations. HTS 2812.90.0010 covers this chemically defined nonmetal halide oxide essential for arc quenching.
Sulfur Hexafluoride Calibration Gas Mixture
SF6 trace gas mixture (10 ppm in nitrogen) for gas chromatography calibration. Principal SF6 component qualifies under HTS 2812.90.0010 as chemically defined, though matrix gas noted separately.
Medical-Grade Sulfur Hexafluoride for Ultrasound Contrast
Pharmaceutical-grade SF6 encapsulated in phospholipid microbubbles (SonoVue equivalent) for echocardiogram contrast enhancement. Chemically defined SF6 core under HTS 2812.90.0010; formulation noted.
Sulfur Hexafluoride for Magnesium Casting Protection
SF6 gas for inert atmosphere in magnesium die casting to prevent oxidation. Industrial gas classified as chemically defined nonmetal halide oxide under HTS 2812.90.0010.
High-Pressure Sulfur Hexafluoride Ton Cylinder
1-ton capacity SF6 cylinder for large-scale electrical testing facilities. HTS 2812.90.0010 for the chemically defined sulfur hexafluoride content; container valued separately.
Sulfur Hexafluoride Leak Detection Test Gas
Pure SF6 for tracer gas leak detection in HVAC and automotive systems using infrared sensors. Classified under HTS 2812.90.0010 as the specified chemically defined compound.
Research Grade Sulfur Hexafluoride 99.999%
5N research-grade SF6 for university spectroscopy and plasma physics experiments. Ultra-pure chemically defined compound under HTS 2812.90.0010.
Sulfur Hexafluoride for Particle Accelerator MAGNETS
SF6 insulating gas for superconducting magnet systems in CERN-type particle accelerators. HTS 2812.90.0010 for chemically defined high-voltage insulation.
SF6 Sulfur Hexafluoride Disposable Lecture Bottle
Small 1.5L disposable SF6 lecture bottle for classroom demonstrations of density and sound speed. Chemically defined under HTS 2812.90.0010.
Bulk Liquid Sulfur Hexafluoride Cargo Tank
Liquefied SF6 transported in ISO tank containers for large industrial consumers. Remains classified as chemically defined gas under HTS 2812.90.0010 regardless of physical state.
Sulfur Hexafluoride Semiconductor Processing Gas
UHP SF6 for plasma etching in 300mm wafer fabrication (etchant for silicon dioxide). Electronically pure per Chapter notes under HTS 2812.90.0010.
SF6 Gas for Double Glazing Window Insulation
Sulfur hexafluoride for thermal insulation in high-performance architectural glazing units. Superior dielectric properties complement argon in premium windows under HTS 2812.90.0010.
Military Specification MIL-PRF-26645 SF6
MIL-SPEC sulfur hexafluoride meeting MIL-PRF-26645 for naval radar and avionics systems. Government-qualified chemically defined compound under HTS 2812.90.0010.