Sulfur Hexafluoride Calibration Gas Mixture from Germany
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.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare exact composition percentages; mixtures >10% other gases risk 3824 classification
• Provide NIST traceability certificates for calibration standards
• Label as UN 1956 compressed gas for hazmat compliance