Dead Burned Magnesite Balls for Sintering
Spherical dead burned magnesite aggregates used as sintering aids in refractory brick production. They are classified under 6815.91.90 as magnesia-containing articles for manufacturing processes, with high density promoting uniform brick formation.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 5% | — | 5% |
| 🇲🇽Mexico | 5% | — | 5% |
| 🇺🇸United States | 5% | — | 5% |
| 🇩🇪Germany | 5% | — | 5% |
| 🇯🇵Japan | 5% | — | 5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the balls are unworked magnesite or magnesia in primary forms
Chapter 25 covers unworked magnesite and magnesia, which may apply if the balls are not processed into articles.
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
• Document that the balls are dead burned magnesite and used as sintering aids
• Ensure they are not classified under Chapter 25 as unworked magnesite
• Verify that the balls are not excluded by Chapter 68 notes, such as being coated paper or textile products
Related Products under Tariff item 6815.91.90
Chromite Investment Casting Shells
Pre-formed ceramic shells using chromite flour as a stucco material, designed for precision investment casting of aerospace and turbine components. The chromite content qualifies these shells as articles of mineral substances under this tariff item, which covers other articles containing chromite.
Chromite-Magnesite Roofing Granules
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