Overview of Magnesium Oxide Products
Light magnesium oxide (MgO Light) is a white powdery inorganic compound with the chemical formula MgO. It is known for its low density, high purity, and large specific surface area, and is produced by high-temperature calcination of magnesite or precipitation from brine. It has a wide range of uses and is an essential material in the industrial and food sectors.
Magnesium Oxide Specifications
| Chemical formula |
Magnesium oxide |
| CAS |
1309-48-4 |
| Appearance |
White powder |
| MgO Content (%) |
≥99% |
| Loss on Ignition (LOI, %) |
≤4.0% |
| Screen residue (200 mesh) |
≤0.1% |
| Bulk Density (g/cm³) |
0.3 - 0.5 |
| pH |
10 - 12 |
| Moisture (%) |
≤0.5% |
| Heavy metals (ppm) |
≤20 |
Properties of magnesium oxide:
1. Physical Properties: White or light yellow powder, loose in texture, large in volume, and low in density (0.3~0.5 g/cm³). Calcination temperature is about 700~1000℃, with fine crystals and relatively large specific surface area.
2. Chemical Properties: Chemical formula: MgO. The purity generally ranges between 85%~96%, and high purity can reach over 99%. It is highly reactive, reacting quickly with water and acids. It is strongly alkaline and can neutralize acids.
3. Performance Characteristics: High reactivity, excellent adsorption properties, and strong ability to adsorb moisture, carbon dioxide, and harmful substances.Lightweight magnesium oxide is a highly active alkaline material with a large specific surface area and excellent adsorption and reaction properties, widely used in building materials, agriculture, environmental protection, chemical industry, medicine, and other fields.
Advantages of magnesium oxide:
1. High temperature resistance: Melting point exceeds 2800℃, excellent refractory performance, making it a key refractory material in metallurgy and the building materials industry.
2. Strong chemical stability: Resistant to acids, alkalis, and corrosion, suitable for use in harsh environments and chemical conditions.
3. Excellent insulation properties: Possesses good electrical insulation and thermal conductivity, commonly used in cable fillers and electrical insulation materials.
4. Adjustable reactivity: Depending on the calcination temperature, it can be made into highly active light magnesium oxide or highly stable heavy magnesium oxide, with a wide range of applications.
5. Environmental adsorbent: Can adsorb moisture, carbon dioxide, and heavy metal ions, suitable for wastewater treatment, flue gas desulfurization, and exhaust gas treatment.
6. Nutritional and medicinal value: An essential source of magnesium for the human body, can be used as a medicinal antacid, feed additive, and magnesium supplement in food.It has high application value in industries such as metallurgy, building materials, environmental protection, chemical industry, agriculture, pharmaceuticals, and rubber and plastics.
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