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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• University purchase orders facilitate duty-free academic imports
• Specify research application to avoid commercial classification
• Grant funding documentation supports nonprofit import status