HFC-125 + Stabilizer Blend from Mexico
HFC-125 with transport stabilizer (≤0.1%) in 100 lb cylinders, still classified as pure compound under HTS 2903.44.10.10 per Chapter 29 note (f). Inhibitor prevents decomposition during shipping. Remains chemically defined pentafluoroethane.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document stabilizer type and concentration per Chapter 29 note (f); ensure additive solely for transport; test for decomposition products