Category · Magnesia Crucibles
Magnesium Oxide (MgO) Crucibles
High-purity magnesia (MgO) crucibles for reactive-metal, alkaline and high-temperature melts up to 2200 °C. 115 stock sizes in cylindrical and square/rectangular forms, with or without cap. Custom sizes and OEM on request.
Why MgO Crucibles?
- Alkaline-resistant — stable against basic and many reactive-metal melts that attack alumina or zirconia
- High temperature — long-term service up to 2200 °C
- 99% MgO purity — low contamination for high-purity melts
- Open-top & capped — open-top sold per piece, capped sets sold per set
- Custom shapes — OEM / ODM, custom dimensions and markings available
Material: 99% MgO
Max temp: 2200 °C
Open-top: per piece
Capped: per set
Common Specifications
Material
99% Magnesium oxide (MgO)
Max Service Temperature
2200 °C
Shapes
Cylindrical, Square, Rectangular
Wall Thickness
0.65 – 7.5 mm (size dependent)
Capacity
85 µL – 1.9 L
Customization
OEM / ODM, custom sizes
Stock Sizes & Prices
All 115 stock sizes listed below. Filter by shape, lid type or part number, sort any column, and add to cart directly.
Handling precautions:
Magnesia crucibles need controlled heating and are not suitable for vacuum sintering or corrosive environments.
Read the care guide →
Cylindrical Crucibles — Open Top (No Lid)
| OD / L×W (mm) | Height (mm) | Wall (mm) | Weight (g) | Capacity | Shape | Lid | Part No. | Price | Action |
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Cylindrical Crucibles — With Lid
| OD / L×W (mm) | Height (mm) | Wall (mm) | Weight (g) | Capacity | Shape | Lid | Part No. | Price | Action |
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Square / Rectangular Crucibles — Open Top (No Lid)
| OD / L×W (mm) | Height (mm) | Wall (mm) | Weight (g) | Capacity | Shape | Lid | Part No. | Price | Action |
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Square / Rectangular Crucibles — With Lid
| OD / L×W (mm) | Height (mm) | Wall (mm) | Weight (g) | Capacity | Shape | Lid | Part No. | Price | Action |
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