Magnesia Ceramic Kiln Furniture Set
A set of magnesia shelves, props, and saggers used to support ceramics during firing in kilns. It is classified under 6815.91.90 because it contains periclase magnesia and functions as mineral articles not excluded by Chapter 68 notes.
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 kiln furniture is made of refractory ceramic materials
Chapter 69 covers refractory ceramic products, which may apply if the furniture is ceramic rather than magnesia-based.
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 set contains periclase magnesia and is used for kiln furniture
• Verify that the set is not classified under Chapter 94 as furniture, which would be excluded by Chapter 68 notes
• Document the magnesia content to support classification
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
Colored granules containing chromite and magnesite applied to asphalt shingles for UV protection and aesthetics. They are classified under 6815.91.90 as other articles containing magnesite or chromite, not excluded by Chapter 68 notes.
Chromite Mullite Composite Refractories
Composite refractory shapes blending chromite and mullite, used in glass tank regenerator checkerwork. The chromite component places these under this tariff item as other articles containing chromite, offering high thermal cycling resistance.
Chromite Sand for Metal Casting Molds
Foundry-grade chromite sand used as a mold facing material in metal casting processes. As a fabricated mineral substance article containing chromite, it falls under this tariff item, providing high thermal stability for precision iron and steel castings.
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.
Dolime-Based Heat Insulation Boards
Rigid insulation panels made from dolime aggregates for high-temperature industrial ovens. As fabricated articles containing dolime, they fall under this tariff item, offering a lightweight alternative to fiber insulation in petrochemical applications.