$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks System 1$
$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks System 2$
$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks System 3$
$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks System 4$

$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks$

$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks System 1$

$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks System 2$

$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks System 3$

$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks System 4$

Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 100 m.t./month

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Materials of Insulation Brick		Lightweight Clay	Lightweight High-alumina	Lightweight High-alumina
°C		1225	1300	1400
Operation Temp
Chemical	AI2O3%≥f	30	48	55
Composition	SiO2%≥
	Fe2O3%≤	1.5	1.1	1
	TiO2%≤		2	1
	CaO%≤
	Alikali %≤	1.5	1.5	1.5
g/cm3 Density		0.7	0.85	0.95
%> Apparent Porosity		75	65	65
MPa ≥		1	1.5	2
Cold Compression Strength
%		1250°C/12h-1-0	1400°C/12h-1-0	1500°C/12h-1-0
Linear Change on Reheating
(0.02MPa)
Refractoriness under Load
0.2%°C≥		1150	1250	1380
2.0%°C≥		1200	1350	1470
5.0%°C≥		1250	1400	1510
Thermal Conductivity
20°C(W/mK)≤		0.17	0.3	0.4
800°C(W/mK)≤		0.25
1000°C(W/mK)≤			0.35	0.45

Product Description

The fused-rebonded magnesia chrome brick has high temperature resistance, good corrosion resistance, thermal shock resistance and bulk stability under high temperature etc .The fused-rebonded magnesia chrome brick is made with sintered magnesia and refractory level chrome ore as raw materials. The space between refractory grains is bonded with silicate.The refractoriness of magnesia chrome bricks are more than 2000°C,and the refractory under load is a above 1550°C.Good steady volume in high temperature , the performance of meeting sudden cold and sudden hot is better than magnesia bricks.

The fused-rebonded magnesia chrome brick mainly used in metallurgy(open hearth,EAF), non-ferrous (metall-urgyfurnace ) , buildings and materials (cement rotary kiln,glass kiln) etc.

$Fused-Rebonded Magnesia Chrome Bricks, Refractory Bricks$

Q:What are the types of magnesia chrome bricks for industrial use?: It is possible to judge by the concrete kiln. The magnesium chrome bricks produced by real gold company are very good. Our factory purchased them the year before last, and their technicians were very professional, and gave us very good suggestions.

Q:Process for producing magnesia chrome brick: The process of firing magnesia chrome bricks is roughly the same as that of magnesia bricks. In order to remove the bricks during sintering, due to MgO and Cr2O3, Al2O3 or direct bonding of magnesia chrome bricks

Q:What is a half combination of magnesia chrome bricks?: Semi - combined magnesia chrome brick is a kind of refractory product made from partly fused magnesia chromite sand.

Q:What are the differences between magnesium chrome bricks, such as direct bonding, re bonding, semi bonding, CO sintering and chemical bonding? Hope expert advice..: Direct bonded magnesia chrome brickThe loose effect caused by the expansion of spinel when the oxide of magnesia brick is directly reacted with the oxide of iron can also be used to make magnesia chromite brick with synthetic common sintered material. In addition, there are non burned magnesia chrome bricks, for example, non burned magnesia chrome bricks combined with inorganic magnesium salt solutions. The unfired magnesia chrome brick has the advantages of simple production process, low cost and good thermal stability, but the strength of the high temperature is far less than that of the burnt brick. In the late 50s, a so-called "direct bonding" magnesia chrome brick was developed. The characteristics of this brick raw material is pure, high firing temperature, periclase and spinel phase with high temperature directly, silicate and other low melting point phase for island distribution, therefore, significantly improve the high temperature strength and slag resistance of brick.

Q:How much is magnesium chrome brick a ton?: Magnesium chrome bricks according to physical and chemical indicators in order to know the specific price, the production of magnesia chrome brick place a lot

Q:With different capacitance magnesia brick brick: Fused magnesia brick brick has compact structure, high mechanical strength,

Q:Magnesia chrome brick: Magnesite brick and electric arc furnace melting magnesium chromium material by direct casting (see Figure microstructure, color), fused magnesia chrome brick material produced by the process of melting particles combined with magnesia chrome brick etc..

Q:What are the environmental hazards of magnesia chrome refractory bricks?: Some of the magnesia chrome bricks will be converted into Cr6+ when used, producing K2CrO4 and other toxic and carcinogenic compounds such as Cr3+

Q:How many kinds of refractory bricks are there?: High aluminum brick: Al2O3 content more than 75 higher than that of the refractory clay brick, anti corrosion resistance, suitable for cement kiln etc., long service life, but high price.

Q:What is the difference between magnesia chrome brick and direct bonded magnesia chrome brick?: The performance of direct bonding magnesia chrome brick is better than that of common magnesia chrome brick.

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