R-507 Hydrocarbon-Free Blend from Canada
R-507 (azeotropic HFC-125/HFC-143a 50/50) for low-temp freezers without hydrocarbon additives. Fits HTS 3827.69.00.00 as pure HFC mixture. Used in cascade refrigeration.
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
• Non-flammable cert required; A1 safety class per ISO 817
• Glide matching data for compressor compatibility in docs