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Magnesium carbon brick(Mgo-C) lecture hall of LMM GROUP

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Magnesium carbon brick lecture hall of LMM GROUP

[/vc_column_text][vc_column_text]Magnesia-carbon brick is made of electrofused magnesia, high-purity magnesia and flake graphite as the main raw material, and made of phenolic resin as the bonding agent. The production process is basically the same as that of ordinary firebrick, but it does not need to be fired, only after 200-250℃ heat treatment. Magnesia carbon brick in the process of high-temperature use, the formation of carbon bond, magnesia and carbon materials in the refractory materials are not a mutually soluble relationship, magnesia and graphite keep their own characteristics, and make up for their shortcomings so that magnesia carbon brick has excellent slag erosion resistance, slag permeability resistance, and thermal shock resistance.Magnesium carbon brick(Mgo-C)

magnesite carbon brick

Magnesia-carbon bricks are divided into four categories according to how much carbon they contain:

(1) C 5%, MgO 82-85%.

(2) C 10%, MgO 76-80%;

(3) C 14%, MgO 74%-76%;

(4) C 18%, MgO 70%-72%;

Used for lining the slag line of various ladle refining furnace. Generally, magnesia-carbon brick with lower carbon content is used (w(C) <14%).

The excellent slag resistance, corrosion resistance and thermal shock resistance of magnesia-carbon brick depend on the role of graphite to a great extent. Graphite can effectively prevent the penetration of slag, improve the thermal conductivity of brick and reduce the elastic modulus of brick. However, the increase of graphite content will reduce the strength and antioxidant properties of the brick. When the graphite content is 10%~20%, the corrosion resistance of magnesia-carbon brick is the best. The grain size of magnesite has great influence on the corrosion resistance of magnesia carbon brick. Because the grain size of electrofused magnesia is larger than that of sintered magnesia, electrofused magnesia is often used in magnesia carbon brick.

LMM GROUP magnesium carbon brick adopts 100% Japanese technology, Japan Yotai branch plant in China. LMM GROUP One stop solution for steel industry

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As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally. 

Our product  have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time.

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LMM Main product series

Core technology products:

  • magnesia carbon brick
  • slide gate plate
  • graphite electrode

Core technology products:

  • Hss roller
  • cast steel rolls
  • tungten carbide ring roller

Core technology products:

  • copper mould tube
  • copper mould plate
  • assembly & cooling jackts

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As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally. 

Our product  have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time.

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