Reactive Magnesium Oxide for Water Treatment from China
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 — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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