Electro-fused Magnesia 98% Purity
High-purity electro-fused magnesia produced by melting magnesite in an electric arc furnace at temperatures exceeding 2800°C, resulting in a dense crystalline structure. This product falls under tariff item 2519.90.00 as fused magnesia, a form of magnesium oxide.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is clearly labeled as fused magnesia to distinguish it from dead-burned magnesia
• Provide documentation of the electric arc fusion process if requested by CBSA
• Verify that no other oxides were added before fusion, as this could affect classification
Related Products under Tariff item 2519.90.00
Animal Feed Grade Magnesium Oxide
Coarse magnesium oxide powder formulated for livestock mineral supplements to prevent grass tetany. This product falls under tariff item 2519.90.00 as 'Other' magnesium oxide, suitable for feed but imported in bulk.
Caustic Calcined Magnesia Powder
Caustic calcined magnesia is magnesium oxide produced by low-temperature calcination of magnesite, yielding a reactive powder used in chemical and fertilizer industries. It falls under tariff item 2519.90.00 as 'other' magnesium oxide, since it is not fused or dead-burned and undergoes only calcination, a process permitted by Chapter 25 Note 1.
Caustic Calcined Magnesite 85/15 (MgO/SiO2)
Caustic calcined magnesite blend with 85% MgO and 15% SiO2, used for basic refractory brick production. This product falls under tariff item 2519.90.00 as 'Other' magnesium oxide, specifically caustic calcined magnesite, which is not further processed beyond calcination.
Caustic Calcined Magnesite Powder
Fine powder produced by calcining natural magnesite at moderate temperatures to yield reactive magnesium oxide with some residual CO2. This product is classified under tariff item 2519.90.00 as caustic calcined magnesite, a form of magnesium oxide.
CCM Fines Recovery Dust
Fine dust recovered from caustic calcined magnesite production, classified the same as the primary product. This product falls under tariff item 2519.90.00 as caustic calcined magnesite, regardless of particle size.
Dead-burned Magnesia 0-100mm for Rotary Kilns
Coarse-grained dead-burned magnesia sized 0-100mm, produced by sintering magnesite at high temperatures for use in rotary kiln linings. This product falls under tariff item 2519.90.00 as 'Other' magnesium oxide, specifically dead-burned magnesia, which is not further processed beyond sintering.