HFC-143a Precision Cleaning Solvent from Japan
Stabilized 1,1,1-trifluoroethane (HFC-143a) with transport stabilizer for vapor degreasing. Qualifies for HTS 2903.44.1020 per chapter note (f) allowing stabilizers necessary for preservation/transport of pure compounds.
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
• Stabilizer must be <0.5% and solely for transport per chapter 29 note (f); document composition
• Boeing/BAC spec D6-17487 compliance for aerospace precision cleaning solvents
• Vapor pressure curves and KB values required for cleaning validation