HFC-23 Leak Detection Gas Mixture from Mexico
Trace gas blend with HFC-23 used for detecting leaks in HVAC systems and pipelines. This product is covered by HTS 3827.51.00.00 due to its trifluoromethane content in a CFC/HCFC-free formulation, detectable by sensitive mass spectrometry.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include calibration certificates for leak detection sensitivity
• Specify detection equipment compatibility in technical documentation
• Low concentration documentation prevents explosive gas classification