HFC-125/HFC-143a Calibration Gas Mixture from Japan
No, pure: Separate HFC-125 cylinder for gas chromatography calibration standards. Chemically defined per chapter note 2(a), classified HTS 2903.44.10.
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
• Include NIST-traceable certificate of analysis for customs valuation