Fluoromethane (HFC-41) Industrial Gas from Mexico
Fluoromethane, or HFC-41, is a specialty gas used in plasma etching processes for semiconductor manufacturing and as a component in some foam blowing agents. It is precisely listed under HTS 2903.43.10.00 as a fluorinated derivative of acyclic hydrocarbons. This compound's high purity is essential for high-tech applications.
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
• Require semiconductor-grade certificates of analysis; comply with NFPA 45 lab safety standards for import
• Pitfall: Incorrect valve fittings can cause customs holds on high-pressure cylinders