Essential raw material Magnesia

Magnesia is the essential raw material for basic brick and monolithic products. Qinghua Group owns large-scale high-quality magnesia quarries, which ensures the stable production and consistent quality of the magnesia it consumes


Main Category
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☆ Magnesia

  ■ Material and Technique: Commonly called dead-burned magnesia and made in shaft kilns
  ■ Properties: The MgO content is typically between 91-93%.
  ■ Application: used as raw material for the low-grade magnesia brick and monolithic product

☆ High Quality Magnesia

  ■ Material and Technique: Commonly called medium-grade magnesia and made in shaft kilns
  ■ Properties: It has low impurity, high bulk density, and high slag resistance.
  ■ The main application is mid-grade magnesia brick and monolithic product

☆ High Purity Magnesia

  ■ Material and Technique: made in high-temperature shaft kilns
  ■ The MgO content is over 97%
  ■ Application: used for high-grade basic brick

☆ Fused Magnesia

  ■ Material and Technique: Use first-class magnesia or caustic magnesia fused in electric furnace
  ■ Properties: It is high in bulk density, slag resistance and volume stability,
  ■ Application: used for carbon-containing refractories and monolithic products

☆ Caustic Magnesia

  ■ Material and Technique: made from magnesia in reverberatory kilns
  ■ Properties: The MgO content is high and it has vibrant chemical activity.
  ■ Application: The main application is for high-grad magnesia and synthetic spinel clinker as well as in magnesia cement. It also has many applications in ceramic, construction materials and chemical industries.

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