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Dead-burned magnesium is a chemical substance. It means that when magnesite is calcined at 1800°C, carbon dioxide completely escapes and magnesium oxide forms dense blocks of periclase. This dead-burnt magnesium has a high degree of refractory resistance. Its main component is magnesium oxide, which is made from natural special-grade magnesite ore through flotation purification, light burning, fine grinding, high-pressure briquetting, and ultra-high temperature calcination in a vertical kiln.Anshan Justhigh refractory provides high-quality refractory raw materials to global refractory manufacturers and traders. Our magnesia is very advantageous in both quality and price! Please contact us if you have needs.
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Brand |
Physical and Chemical Specification |
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Name |
MgO(%） |
SiO2(%） |
CaO(%） |
L.O.I(%) |
CaO/SiO2（Mass ratio） |
B.D(g/cm3) |
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Sintered magnesia |
DBM90 |
≥90.00 |
≤4.00 |
≤1.80 |
≤0.30 |
------ |
≥3.18 |
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DBM95 |
≥95.00 |
≤2.20 |
≤1.80 |
≤0.30 |
------ |
≥3.20 |
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DBM97 |
≥97.00 |
≤4.00 |
-------- |
≤0.30 |
≥2.00 |
≥3.30 |
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