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3827.51.00.00/HFC-23 Leak Detection Gas Mixture/Mexico

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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include calibration certificates for leak detection sensitivity

• Specify detection equipment compatibility in technical documentation

• Low concentration documentation prevents explosive gas classification