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Refractory Alumina Magnesia Carbon Bricks 1000 C Fire Clay Bricks 25MPa

Categories Refractory Materials
Place of Origin: CHINA
MOQ: 1ton
Price: negotiable
Payment Terms: L/C, D/A, D/P, Western Union, T/T, MoneyGram
Supply Ability: 30000ton/ton per year
Delivery Time: 20 work days
Packaging Details: Customized
Name: Carbon brick
Carbon content: ≥92%
Mechanical strength: ≥25MPa
Ash content: ≤8%
Calcination temperature: 1000℃
Color: Black
Application: Masonry bottom and belly of blast furnace
Shape: Brick
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Refractory Alumina Magnesia Carbon Bricks 1000 C Fire Clay Bricks 25MPa

Carbon brick heat insulation Refractory Materials Iron and steel smelting


Product introduction


Refractory bricks are called refractory bricks. Refractory fired from refractory clay or other refractory materials. Light yellow or brown. It is mainly used in building smelting furnace and can withstand high temperature of 1580 ℃ - 1770 ℃. Also called refractory brick. Refractory of certain shape and size. According to the preparation process, it can be divided into sintered brick, non sintered brick, fused cast brick (fused cast brick) and refractory and heat insulation brick; It can be divided into standard brick, ordinary brick, special-shaped brick, etc. according to shape and size. It can be used as the structural material of high-temperature building materials, building kilns and various thermal equipment. It can withstand various physical and chemical changes and mechanical effects at high temperature. Such as refractory clay brick, high alumina brick, silica brick, magnesia brick, etc.

Its properties


Carbon brick has good thermal stability, small coefficient of thermal expansion, high temperature resistance, resistance to the erosion of various acids, alkali, salt and organic solvents, but easy to oxidize in an oxidizing atmosphere.
Carbon brick is dark gray, shiny, burned into a good carbon brick does not stain the hand, with a small hammer knock clear sound. High refractoriness and load softening temperature, good thermal shock resistance; It is not wet by molten slag and molten iron, and almost not corroded by all acid, alkali, salt and organic drugs. It has good slag resistance, stable volume at high temperature, high mechanical strength, good wear resistance, and good electrical and thermal conductivity.
In addition, carbon is easy to oxidize, whether the raw material calcination or product roasting and the use of products, must be carried out in the reducing atmosphere.


Carbon brick


Carbon brick by coke, anthracite or graphite and tar as raw materials, after mixing, forming, in the reduction flame burned to 1450℃ and become a carbon refractory material. The mass fraction of carbon is 88%-90%. Can withstand the erosion of molten metal and slag, but easy to oxidize. Used for laying bottom and belly of blast furnace.

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