HFC-134a Leak Detection Refrigerant Blend from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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