HFC-143a Precision Cleaning Solvent from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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