Magnesite Brick - Fused Rebonded Magnesia Bricks

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Spinel Alumina Magnesia Fire Brick
1.Good alkali resistance
2.Good corrosion resistance
3.High refractoriness under

Features

1. Good slag resistance

2. Excellent corrosion resistance

3. High refractoriness under load

Applications

Magnesia alumina spinel brick is widely used in transition zone of large dry-process cement rotary kiln, lining of ladle,and roof of EAF, etc.

Physical properties and chemical composition

Item	LMLJ-80		LMLJ-75
Item	Standard	Typical Value	Standard	Typical Value
MgO, %	≥80	85.5	≥75	81.2
Al2O3 , %	8~15	10.2	8~15	9.83
apparent porosity, %	≤17(18)	16	≤18(19)	16
0.2MPa refractoriness under load °C	≥1700	1800	≥1650	1750
cold crushing strength ,MPa	≥40	57	≥40	68
Thermal expansion(1100°C,water cooling), times	≥20	≥20	≥5	≥16

Q: What is the ratio of magnesia refractory bricks to brine? For example, what is the difference between the 97 and 95 with 92 brick brick brick material mixed with brine ratio?: Different grades of burned magnesia brick is mainly made of magnesia binder with different taste, there is not a big difference. However, the physical and chemical properties of binders should be controlled well!

Q: Brick price?: There are various series of unshaped refractory gunning, magnesia ramming material, mending material, coating material, dry lining material, composite refining agent, covering agent, tundish and tundish slag wall, ladle drainage sand and electric furnace taphole filler etc..

Q: The index of magnesia brick: Room temperature compressive strength≥（MPa）（15－25－）24.5－24.5－24.5－24.5－40－40－40

Q: High purity magnesia brick masonry mortar for what?: Always! There is no 800 degrees can be sintered chamotte? As long as the dregs and do not break the aluminum content, the magnesia brick stick together can!

Q: Manufacture of various refractory magnesia brick mainly comes from Magnesium Oxide, what kind of ore?: Manufacture of various refractory magnesia brick Magnesium Oxide, mainly from magnesite.

Q: Refractory brick, high alumina brick, magnesia chrome brick, magnesia brick, clay brick, which type of high temperature refractory brick?: High alumina brick clay brick up to 1700 degrees above 1500 degrees -1750 degrees of magnesia brick and magnesia chrome brick 1500-1650 degrees, I is the production of clay brick, brick my temperature at 1500-1700 degrees. Specific depends on what kiln, brick is only part of it

Q: With different capacitance magnesia brick brick: It has good thermal stability, corrosion resistance and spalling resistance. Widely used in converter, arc furnace and other industrial furnace lining refractory.

Q: Magnesia brick: Mainly used for basic open hearth, furnace bottom and furnace wall oxygen converter steelmaking, the permanent lining of non-ferrous metal smelting furnace, high temperature tunnel kiln, calcined magnesia brick and cement rotary kiln, furnace bottom and furnace wall, glass furnace regenerator etc..

Q: How to identify the fused magnesia brick and sintered magnesia brick: Magnesia brick (magnesite brick) basic refractories Magnesium Oxide content of more than 90%, with the main crystalline phase of periclase

Q: Combined with the ordinary clay brick and magnesia brick as an example, the existence of impurities in minerals and refractories production main components of the formed liquid relative what affect the performance.: Also known as clay brick brick, is a man-made small bulk building, clay brick clay (including shale, coal gangue powder) as the main raw material, through mud processing, molding, drying and roasting, solid and hollow.

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