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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If doped semiconductor materials
Chapter note exclusion for worked forms.
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Import Tips & Compliance
• Particle and moisture specs critical for acceptance
• Semiconductor supply chain reporting under CHIPS Act
• Special gas cabinets required for storage
Related Products 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.