Refrigerant-Grade Anhydrous Ammonia (R717) from Canada
Ultra-pure anhydrous ammonia used as refrigerant gas R717 in industrial cooling systems like cold storage warehouses. It qualifies for HTS 2814.10.00.00 as chemically defined anhydrous ammonia without water content. Known for its efficiency in large-scale refrigeration.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Comply with EPA SNAP regulations for refrigerants and provide ASHRAE safety data; use certified ammonia-rated compressors
• Ensure UN-approved cylinders for transport
• Pitfall: Failing pressure relief valve specs leads to safety violations