HFC-23 Research Laboratory Gas Mixture from Japan
High-purity HFC-23 blend for atmospheric chemistry research and greenhouse gas studies. Classified in HTS 3827.51.00.00 due to trifluoromethane content in a mixture free of regulated ozone-depleting substances.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• University purchase orders facilitate duty-free academic imports
• Specify research application to avoid commercial classification
• Grant funding documentation supports nonprofit import status