High-Quality Corundum Brick Castable Corundum CNBM Made in China

High-Quality Corundum Brick Castable Corundum CNBM Made in China System 1

High-Quality Corundum Brick Castable Corundum CNBM Made in China

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 5000 m.t./month

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Specifications

white corundum/alundum F46#:
1.High purity of 99%min
2.Manufacturer,not trading company
3.Experience-15years

Description:

white corundum/alundum abrasives, a kind of high-grade refractories, was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase

alpha-Al2O3. The white alumina produced in titling electric arc furnace has the advantage of high bulk density and low porosity and the volume stability and thermal shock resistance can be improved.

The chemical and physical analysis for white corumdum/alundum:

Chemical Analysis	Typical	Specification
Al2O3	99.55 %	99.50(min)
SiO2	0.04 %	-
Fe2O3	0.04 %	-
CaO	0.03 %	-
MgO	0.02 %	-
Na2O	0.22 %	-
K2O	0.01 %	-

Physical properties	Tipycal	Specification
Bulk density	1.53-1.99g/cm3	1.75-1.95g/cm3
Bulk Density	3.95g/cm3	3.90g/cm3
Morse hardness	9
Micro hardness	21600-22600kg/mm3
Mineralogy	Predominantly Alpha Alumina

Castable Corundum Good Quality CNBM Made in China

Q: What kind of fused corundum corundum brick should be used for each part of the glass furnace?: In addition to AZS33# and AZS same co crystallization in vitro, 36#AZS due to the increase of chain like zirconia brick more crystals, while the glass phase content is low, so 36# AZS corrosion resistance has been further enhanced, so is suitable for the rapid flow of molten glass or high temperature region.AZS36 s is an excellent product in the AZS series. It has high resistance to glass liquid erosion and low pollution. It is usually used in the key parts of the glass furnace, such as the pool wall near the hot spot.

Q: Zirconium corundum 25 content and 40 content, how to distinguish in appearance?: It is in the production process, zirconium corundum bricks are likely to cause pollution.Fused zirconia corundum brick is also called AZS AZS English is abbreviated to AZS, is based on three chemical composition of Al2O3 - Zr02 - Sio2 phase diagram of three component system, according to the content of the order, Al2O3 A, Zr02 Z, Sio2 S, national standards for the use of this abbreviation, such as No. 33 cast brick, abbreviated as AZS, 33#, No. 36 fused zirconium corundum brick, abbreviated as AZS, 36#, No. 41 fused zirconium corundum brick, abbreviated as AZS - 41#.

Q: What is the main component of corundum?: Corundum is the main component of Al2O3, often containing trace impurities such as Cr, Ti, Fe, V and so on.

Q: What are the advantages of refractories?: Basic refractory material generally refers to Magnesium Oxide or Magnesium Oxide and calcium oxide as the main component of refractory materials. This kind of refractory material has higher refractoriness and strong resistance to alkaline slag.

Q: How to improve the induction furnace campaign, from the promotion of refractory life start: According to the workpiece, choose the appropriate hardware castable, corundum brick or refractory bricks, etc.

Q: What is the hardness of corundum refractory bricks?: Such as zirconium corundum refractory brick, chrome corundum refractory titanium corundum refractory brick.

Q: Is liquid phosphoric acid two aluminum hydrogen flammable?: Liquid phosphoric acid two hydrogen aluminum features: easy mixing, molding, especially suitable for field construction, so liquid phosphoric acid two hydrogen aluminum is not flammable

Q: How do corundum bricks bind?: Each refractory brick is provided with corresponding refractory mud, and corundum bricks are bonded with corundum mud.

Q: Ask for help about the phase of refractory material: Secondary crystalline phase. The second phase and second phase or second phase, and the main crystal phase and is in high temperature liquid phase coexistence in refractory material, the number and influence on high temperature properties of materials is the main crystal phase is small second phases. As to the main crystalline phase of periclase magnesia chrome brick, magnesia brick, magnesia brick and magnesia calcium brick respectively containing Cr spinel, spinel, forsterite and calcium silicate two are secondary phase. There are structure of refractory refractory material in the crystal phase, especially the direct combination of high melting point and so on, the resistance to high temperature also tend to benefit. Compared with the ordinary brick, the second phase of the refractory products, make the products refractoriness under load are improved. Many according to mineral composition of refractory material named, such as mullite corundum brick, corundum mullite brick, is its main crystal phase and the second phase composite named. The former is mainly crystal phase, the latter is sub crystalline phase.

Q: What problems should we pay attention to in the use of fused zirconia corundum brick (fused zirconia corundum brick) in glass furnace?: Casting, casting mouth often appear shrinkage, brick porosity more, the density is lower, so in the brick wall of glass melting, the shrinkage in the kiln direction, if the nozzle outward, when the brick to erosion is very thin, can cause leakage of liquid glass accident. When the flame space is used in the upper part of the bath furnace, the service life is long, and the glass liquid problem can not happen, so the casting mouth is used outwards, and the service life is prolonged.

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