AK-225 Cleaning Solvent (HCFC-225 based) from Canada
AK-225 is a commercial-grade azeotrope containing HCFC-225ca/cb for vapor degreasing in aerospace parts cleaning. It qualifies for HTS 2903.75.01.00 when imported as the pure dichloropentafluoropropane isomer, per Chapter 29 notes on chemically defined compounds. Primarily used where non-flammable solvents are required.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include Montreal Protocol exemption documentation if importing for essential uses like aviation maintenance
• Label containers with UN number 3337 and hazard class for DOT transport compliance alongside CBP requirements
• Test for purity >99% to avoid reclassification as a mixture under 3824; common pitfall in solvent imports