Reactive Magnesium Oxide for Water Treatment from Mexico
Highly reactive light-burned magnesia used for pH adjustment and softening in water treatment plants. Falls under HTS 2519.90.50.00 as other magnesium oxide due to its natural origin and low-temperature processing.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify reactivity grade (e.g
• light-burned) in invoices to support 2519.90 classification
• Provide bulk packaging proof; retail packs may face different valuation
• Test for free lime content, common in reactive magnesia, to confirm specs