Reactive Caustic Magnesite 90% MgO from United States
Reactive caustic magnesite powder with 90% MgO for fertilizer production and acid neutralization, produced by light calcination of natural magnesite. The product is not chemically modified beyond calcination, so it falls under other magnesium oxide in this tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• Provide MgO content and reactivity data
• Confirm the product is not classified as a fertilizer under other headings
• Ensure the product is not mixed with other nutrients