HFC-134a Leak Detection Refrigerant Blend from Mexico
Specialty blend with 50% HFC-134a, UV dye, and nitrogen for detecting leaks in HVAC systems. Falls under HTS 3827.64.00.00 due to dominant HFC-134a content without HFOs or banned substances. Used by HVAC technicians for non-destructive leak testing.
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
• Document UV dye concentration (<2% typical) to prevent reclassification as 'dye preparations'; provide solubility data
• Nitrogen content must not dilute HFC-134a below 30%; gas analysis certificate required
• Comply with OSHA handling requirements for dye-containing mixtures