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%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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