Ethylene Calibration Gas 1.0% from Germany
1.0% ethylene in nitrogen balance, certified reference gas for environmental monitoring and gas chromatography calibration. While technically a mixture, primary classification follows ethylene component per Chapter 29 rules for dilute solutions. NIST-traceable certification provided.
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
• Specify exact balance gas (N2, He, air) and concentration tolerance (±%) on commercial invoice,NIST SRM or equivalent traceability certificate prevents reclassification as generic mixture,CGA grade C valve connections standard for calibration gases