Basic properties
Magnesium oxide is an alkaline oxide with the chemical formula MgO. It is white powder, insoluble in water and ethanol, with a melting point of 2852°C and a boiling point of 3600°C. It has high fire-resistant insulation properties, easily absorbs moisture and carbon dioxide when exposed to air, and combines with water to form magnesium hydroxide. This process releases heat and absorbs a large amount of moisture.
Application
High-purity magnesium oxide is widely used as a desiccant due to its excellent moisture absorption function. It can absorb moisture in the air and reduce humidity, thereby protecting many items from moisture and extending their shelf life. High-purity magnesium oxide has been widely used in agriculture, pharmaceuticals and other fields. For example, in the pharmaceutical field, it can effectively absorb moisture in raw materials or finished products to ensure product performance and quality; in the agricultural field, high-purity magnesium oxide is used for agricultural product preservation and seed storage. By reducing the humidity of seeds and grains, it improves their quality and extends their shelf life.
Items | Specification | Result |
MgO (Content Measured After Ignition At 900℃ ) ≥ % |
97 | 97.12 |
Acid-insoluble Substance ≤ % | 0.1 | 0.050 |
Loss On Ignition ≤ % | 3.0 | 2.58 |
Cl ≤ % | 0.6 | 0.45 |
SO4 ≤ % | 0.5 | 0.02 |
Ca ≤ % | 0.1 | 0.0035 |
Fe ≤ % | 0.05 | 0.0015 |
D50 Partical Size ≤ μm | 5 | 4.77 |
Bulk Density ≤(g/ml) | 0.4 | 0.35 |
The environmental-friendly and high-quality products of Zehui group are made from abundant natural resources and sea water. Its production plant Shandong Xinzehui is certified with ISO 9001: 2015 quality system, with an annual production capacity of 100,000MT. With manufacturing experience for over 50 years, Zehui has got excellent reputation in the market, and has been consistently providing good quality and credible service to valued customers all over the world.
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