Synthetic Iron Oxide Hydroxide for Catalyst Support from China
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 — China → United States
28.7%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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