Industrial Chiller HFC-134a Top-Off Blend from Canada
Blend containing 75% HFC-134a with minor HFC-32 for topping off large industrial water chillers. HTS 3827.64.00.00 applies as HFC-134a exceeds 30% without unsaturated HFOs or ozone depleters. Used in manufacturing process cooling.
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
• Provide pressure-temperature charts verifying azeotropic behavior; customs checks for proper HFC designation
• Industrial end-use requires additional TSCA reporting if >10,000 lbs annually
• Ensure cylinder valve compatibility with chiller service ports