$High Alumina Refractory Cement for Furnaces System 1$
$High Alumina Refractory Cement for Furnaces System 2$
$High Alumina Refractory Cement for Furnaces System 3$
$High Alumina Refractory Cement for Furnaces System 4$

$High Alumina Refractory Cement for Furnaces$

$High Alumina Refractory Cement for Furnaces System 1$

$High Alumina Refractory Cement for Furnaces System 2$

$High Alumina Refractory Cement for Furnaces System 3$

$High Alumina Refractory Cement for Furnaces System 4$

High Alumina Refractory Cement for Furnaces

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 2000 m.t./month

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High Alumina Refractory Cement for Furnaces is manufactured through fusing high quality raw magnesite in electric arc furnace with the characteristics of big crystal, dense structure and strong corrosion resistance. As an excellent basic refractory raw material, its MgO content is between 87 – 98%.

High Alumina Refractory Cement for Furnaces (Big Crystal) whose MgO content is between 97 – 99% is widely used in refractory industry. Meanwhile, it is also an excellent high-temperature endurable insulating material.

Specifications of High Alumina Refractory Cement

Item		Grade
		High Alumina Brick			Clay Brick		Phosphoric Acid Dipping Clay Brick
		GL-65	GL-55	GL-48	ZGN-42	ZGN-42	Phosphoric Acid Dipping Clay Brick
Chemical Composition(%)≥	Al₂O₃	65	55	48	42	42	41-45
	Fe₂O₃	2.0	2.0	2.0	1.6	1.7	1.8
	P₂O₅	---	---	---	---	---	7
Refractoriness℃		1790	1770	1750	1750	1750	---
Apparent Porosity(%)≤		19	19	18	15	16	14
Alkali Resistance(Strength Degradation)%≤		---	---	---	---	---	---
0.2 MPa Refractoriness Under Load ℃≥		1500	1480	1450	1450	1430	1450
CCS (MPa)≥		58.8	49	49	58.8	49	60
Dead Burnt Linear Change(%)≤	1450℃*2h			0/-0.2	0/-0.2	0/-0.3	0/-0.2
Dead Burnt Linear Change(%)≤	1500℃*2h	0/-0.2

Features of High Alumina Refractory Cement

High refractoriness

Good spalling resistance and wear resistance.

Good corrosion resistance.

Good thermal shock resistance.

High mechanical strength.

High-temperature creep rate is low.

Q:With different capacitance magnesia brick brick: Fused magnesia brick brick has compact structure, high mechanical strength,It is mainly used for thermal storage of large glass furnaceHigh temperature area of the room.

Q:Manufacture of various refractory magnesia brick mainly comes from Magnesium Oxide, what kind of ore?: The ore quality requirements of MgO = 41%, CaO = 6%, SiO2 = 5%. The resources of magnesite in China are rich. The types of deposits include sedimentary metamorphic deposits, sedimentary hydrothermal metasomatic deposits and weathering leaching deposits.

Q:How do you differentiate between the two clearly? Where is the key? Thank you: Magnesia brick (magnesite brick) basic refractories Magnesium Oxide content of more than 90%, with the main crystalline phase of periclaseGeneral can be divided into sintered magnesia brick (also called burnt magnesia brick) and chemically bonded magnesia brick (also known as the two major categories of not burned magnesia brick). Purity and high firing temperature of magnesia, due to the direct contact of periclase grains, known as direct bonded magnesite brick; made of fused magnesia bricks called electrically fused magnesite brick.

Q:Process for producing magnesia chrome brick: The fine powder compacts after calcination produced by magnesia - chrome ore grinding method, brick with magnesia coarse particles, are effective measures to eliminate the effect of loose. Compared with the common magnesia chrome brick, the magnesia chrome brick made by this method has lower porosity, higher compressive strength, higher softening temperature and higher flexural strength. Compacts with chrome magnesite powder, magnesia chrome brick by synthetic magnesia chrome sand made of high-temperature calcination, slag resistance and high temperature strength are better than other magnesite chrome brick.

Q:High purity magnesia brick masonry mortar for what?: You try a mixture of aluminum phosphate. It itself is the main component of aluminum, which can not cause pollution. We use high temperature electric stove to bond with this.But this 800 degree won't be sintered. It won't sinter until more than 1000 degrees.

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:How to identify the fused magnesia brick and sintered magnesia brick: Magnesia brick have high refractoriness, alkali slag good performance, high load softening temperature, but poor thermal shock resistance. The sintering magnesia brick brick magnesite as raw material, crushing, proportioning, mixing, forming, in 1550 ~ 1600 degrees firing, high purity products firing temperature is over 1750 DEG C. Don't add chemical bond magnesia brick is appropriate in magnesia, through mixing, molding and drying.

Q:The index of magnesia brick: indexMGe-20 MGe-16 MGe-12 MMGe-8 DBMK-A DBMK-B DBMK-C MgO≥（%） 40 45 55 60 80 80 80 Cr2O3≤（%） 20 16 12 8 6-8 6-8 6-8 SiO2≤（%） --- --- --- --- 2.0 2.5 3.0

Q:Refractory brick, high alumina brick, magnesia chrome brick, magnesia brick, clay brick, which type of high temperature refractory brick?: The super high alumina brick in high alumina refractory brick has the highest refractoriness, and the corresponding production cost is higher.

Q:Magnesia brick: Magnesia brick (magnesite brick) basic refractories Magnesium Oxide content of more than 90%, with the main crystalline phase of periclase. General can be divided into sintered magnesia brick (also called burnt magnesia brick) and chemically bonded magnesia brick (also known as the two major categories of not burned magnesia brick). Purity and high firing temperature of magnesia, due to the direct contact of periclase grains, known as direct bonded magnesite brick; made of fused magnesia bricks called electrically fused magnesite brick.

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