HFC-125 + Stabilizer Blend from China
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 — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Document stabilizer type and concentration per Chapter 29 note (f); ensure additive solely for transport; test for decomposition products