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Magnesium Oxide Powder, MgO

Magnesium Oxide Powder (MgO)

Introduction

Magnesium Oxide Powder (MgO), also known as magnesia, is a widely used inorganic material known for its excellent thermal stability, high melting point, and electrical insulation properties. It is one of the most important ceramic and refractory materials, playing a crucial role in metallurgy, construction, electronics, and environmental protection.

Detailed Description

Magnesium Oxide is a fine, white powder with a melting point of ~2,852 °C and density of ~3.58 g/cm³. It is commonly produced in purities from 99% to 99.99%, with particle sizes ranging from nanoscale to several microns depending on the application.

Key features include:

  • High refractoriness: Resistant to extremely high temperatures, making it suitable for refractory bricks and furnace linings.

  • Electrical insulation: Excellent dielectric properties, used in heating elements and insulating materials.

  • Chemical stability: Resistant to corrosion and chemical attack, ensuring durability.

  • Reactivity: Active MgO grades can act as adsorbents and catalysts in environmental applications.

Applications

Magnesium Oxide Powder is widely used in:

  • Refractory materials: Crucibles, furnace linings, and bricks for steelmaking and glass industries.

  • Electronics: Insulation in electrical heating elements and ceramic substrates.

  • Construction: Cement, fireproof boards, and insulation panels.

  • Environmental: Absorbent for pollutants, wastewater treatment, and flue gas desulfurization.

  • Healthcare: As a supplement and antacid in the pharmaceutical industry.

Technical Parameters

ParameterTypical Value / RangeImportance
Purity99% – 99.99%Determines performance in electronics and refractories
Particle Size50 nm – 10 µmNano-sized powders improve reactivity and sintering
AppearanceWhite crystalline powderHigh purity material consistency
Melting Point~2,852 °CEssential for high-temperature refractory use
Density~3.58 g/cm³Suitable for ceramics and construction materials

Comparison with Related Materials

MaterialKey AdvantageTypical Application
Magnesium Oxide (MgO)High melting point, insulationRefractories, electronics
Aluminum Oxide (Al₂O₃)High hardness, wear resistanceAbrasives, ceramics
Calcium Oxide (CaO)Strong alkalinity, reactivityCement, desulfurization

FAQ

QuestionAnswer
What purity grades are available?99%, 99.9%, and 99.99% depending on the application.
Can MgO withstand high heat?Yes, it has a melting point above 2,850 °C, ideal for refractory use.
Is MgO safe for pharmaceuticals?Yes, high-purity grades are used in supplements and antacids.
How is MgO packaged?Vacuum-sealed containers for lab use; bulk supplied in lined bags or drums.
Which industries benefit most?Metallurgy, electronics, construction, healthcare, and environmental sectors.

Packaging

Magnesium Oxide Powder is securely sealed in moisture-proof bags or bottles for laboratory use. For industrial applications, it is shipped in multi-layered sacks or export-grade drums to ensure safety and prevent contamination.

Conclusion

Magnesium Oxide Powder (MgO) is an essential multifunctional material combining refractory strength, electrical insulation, and chemical stability. From steelmaking to pharmaceuticals, it supports critical industries worldwide.

For detailed specifications and a quotation, please contact us at [sales@thinfilmmaterials.com].

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MgO powder 99.9%–99.99% 50 g

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FAQ

  • Metal powders are fine particles of metals produced through various processes such as atomization, reduction, or electrolysis. They are used in applications like additive manufacturing, powder metallurgy, and coatings.

  • Alloy powders consist of two or more metallic elements combined to enhance properties like strength, corrosion resistance, and ductility, whereas pure metal powders contain only a single element.

  • The shape affects flowability, packing density, and spreadability. Spherical particles are preferred in additive manufacturing due to their superior flow characteristics.

  • Spherical powders are typically produced using gas atomization, where molten metal is atomized into fine droplets that solidify into spherical shapes.

  • Spherical powders offer better flowability and packing density, leading to improved layer uniformity and mechanical properties in 3D-printed components.

  • Factors include particle size distribution, shape, chemical composition, purity, and production method.

  • Yes, metal powders can pose hazards such as toxicity, reactivity, combustibility, and instability. Proper handling, storage, and safety protocols are essential.

  • In powder metallurgy, metal powders are compacted and sintered to produce components with complex shapes and tailored properties, often with minimal waste.

  • Yes, unused or excess metal powders from manufacturing processes can often be collected, sieved, and reused, provided they meet quality standards.

  • The combination of different metals in alloy powders can enhance properties such as strength, hardness, corrosion resistance, and thermal stability, depending on the application requirements.

  • Spherical alloy powders are used in aerospace, automotive, medical implants, and tooling industries for manufacturing high-performance components via additive manufacturing and powder metallurgy.

Production methods like gas atomization, water atomization, and mechanical milling influence particle size, shape, and purity, which in turn affect the performance of the powders in various applications.

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