• Magnesia Carbon Brick  

Magnesia carbon bricks are made of high melting point alkaline oxide magnesium oxide (melting point 2800℃) and high melting point carbon materials that are difficult to be wetted by slag as raw materials, and various non-oxide additives are added. It is a non-burning carbon composite refractory material combined with a carbon binder. Magnesia carbon bricks are mainly used for the lining of converters, AC arc furnaces, DC arc furnaces, slag lines of ladles and other parts.
As a composite refractory material, magnesia carbon bricks effectively utilize the strong slag erosion resistance of magnesia sand and the high thermal conductivity and low expansion of carbon, compensating for the greater disadvantage of poor spalling resistance of magnesia sand.
Its main features are: good high temperature resistance, strong slag resistance, good thermal shock resistance, and low high temperature creep.

  • Magnesia Brick

Magnesia brick is a basic refractory material. The magnesium oxide content in the product exceeds 90%, and the main crystal phase is periclase. Magnesia bricks can be divided into two categories: burned magnesia bricks and chemically bonded magnesia bricks. They have excellent high-temperature mechanical strength and volume stability. Magnesia bricks can be used at high temperatures of 1650. 

Magnesia bricks are widely used ， As refractory bricks, magnesium bricks are used in the following industries：

  1. Basic open hearth furnace for steelmaking
  2. Electric furnace bottom and furnace wall
  3. Oxygen conversion lining
  4. Nonferrous metal metallurgical furnace
  5. High temperature tunnel kiln
  6. Cement rotary kiln lining
  7. Heating furnace bottom and wall
  8. Glass melting furnace regenerator
  • Magnesia Chrome Brick

Magnesia-chrome bricks are refractory products with magnesium oxide (MgO) and chromium oxide (Cr2O3) as the main components, and magnesia-alumina spinel and spinel as the main mineral components.
Ordinary magnesia-chrome bricks are made of sintered magnesia sand and refractory grade chrome ore as raw materials. The gaps between refractory particles are combined with silicates.

Magnesia-chrome bricks are generally used in the following fields：

  1. Metallurgical industrial furnaces, heat treatment furnaces
  2. Furnaces for the chemical and construction industries
  3. Waste incinerator, circulating fluidized bed furnace
  • Magnesia Alumina Spinel Brick

Magnesium-aluminum spinel bricks are alkaline refractory materials with periclase and spinel as the main minerals. They are formed by high pressure molding and high temperature sintering. At the same time, specific mineralizers are added to make the crystal phase particles of the product directly bonded. They have the characteristics of high strength, excellent thermal shock stability, and strong resistance to chemical erosion. They are mainly used in the upper and lower transition zones of cement rotary kilns and kiln equipment that requires high temperature resistance and thermal shock resistance.

  • Magnesium iron aluminum spinel brick

Magnesia-iron spinel bricks use high-purity magnesia sand and aluminum-iron spinel sand as the main raw materials. Through reasonable proportion, high-pressure molding, and strict control of firing temperature and firing time, the products have good flexibility and thermal shock stability, and no hexavalent chromium pollution to cement. Kiln combustion area. The product has high volume stability, high load softening temperature, good thermal shock resistance, kiln coating adhesion and erosion resistance that are better than high-quality magnesia-chrome bricks, and has little reaction to cement clinker, and the impact on kiln skin shedding is far less than that of magnesia-chrome bricks. It has been proved by use that they not only have a long life and a smooth surface, but also have no chromium hazards.

  • Magnesia-calcium brick

Magnesia-lime bricks are made of two-step calcined magnesia-lime sand and high-purity (electrofused or sintered) magnesia sand, which are formed under high pressure and fired at high temperature, and then vacuum pressure impregnated. They are green products with good high-temperature creep and slag resistance.

Magnesia-calcium bricks are mainly suitable for the following fields：

  1. AOD Refining Furnace
  2. VOD Refining Furnace
  3. Cement kiln safety lining
  4. Steelmaking converter bottom
  5. Ladle and other refining equipment