HFC-23 Leak Detection Gas Mixture from Canada
Tracer gas blend containing HFC-23 for detecting refrigerant leaks in HVAC systems. Classified HTS 3827.59.00.00 as HFC mixture without CFCs/HCFCs. High sensitivity for pinpointing micro-leaks.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Calibrate mass spectrometer detection limits; provide leak rate sensitivity data; ensure non-reactive with system materials