Helium for Airship Inflation from Canada
Aviation-grade helium in large tubes for filling blimps and dirigibles, purity 99.99% to ensure lift without flammability. HTS 2804.29.0010 for pure rare gas element.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• FAA certification required for aviation use; include lift capacity calculations
• Bulk tubes need ISO intermodal certifications for ocean transport