Liquefied Isobutane (R-600a) Refrigerant from Canada
Isobutane (R-600a) liquefied for use in domestic refrigerators and air conditioners as a low-GWP refrigerant. Falls under HTS 2711.19.00 for other liquefied gaseous hydrocarbons.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide ISO 9163 purity certificates distinguishing refrigerant grade from fuel LPG
• Declare exact fill weights accurately to match barrel (158.98L) measurement standards
• Partner with licensed hazmat carriers to handle flammable gas shipping requirements