Industrial 92% Butane Blend for Calibration Gas from Canada
A gaseous mixture of butane at 92% purity used in calibration gases for gas detectors and analytical instruments in industrial settings. Classified under HTS 2711.29.00.20 due to its gaseous state and specific purity range of 90-94% liquid volume percent, excluding purer or propane-dominant mixtures.
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
• Provide chromatograph reports confirming butane purity within 90-94% to support classification
• Comply with EPA import requirements for calibration standards used in emissions testing
• Avoid bulk shipments without proper metering; declare in gaseous state to prevent liquid LPG confusion