Synthetic Iron Oxide Hydroxide for Catalyst Support from Canada
Synthetic goethite (alpha-FeOOH) iron oxide hydroxide with ≥70% Fe2O3 equivalent for catalyst carrier applications in chemical processing. HTS 2821.10.0040 covers this as 'other' synthetic iron oxides and hydroxides. High surface area from precipitation synthesis.
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
• Document BET surface area (>100 m²/g) confirming catalyst grade specifications
• Include calcination temperature data showing hydroxide-to-oxide conversion potential
• Ensure stability testing for humid transport conditions