Refractory Use Alumina Aluminum Oxide AL2O3

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Tianjin
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TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
30000 m.t./month

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Product Description:

Refractory Use Alumina Aluminum Oxide AL2O3


Specification:

High purity AL2O3 Aluminum Oxide/ Aluminum powder

Manufacturer

Superfine

 

Application:

1- Used as refractory material in electronic, metallurgical,textile and oxidizing industry.
2- castable refractory product for brick,wall, plate or cover.
3- Suitable for atmospheric temperature recovering equipment. 

4- A fluorine removal agent of drinking water.

5- temperature resistance above 1700 degree.

5. at high temerature, transform into alpha alumina.

 

aluminum oxide property:

Soluble in water white solid. Odourless. Tasteless. Qualitative very hard. Easy absorption of moisture and not ChaoXie. Both sexes oxide, soluble in inorganic acid and alkaline solution, almost insoluble in water and the polar organic solvents. The relative density (d204) 4.0. Melting point about 2000 °C.

 

The physical and chemical analysis:

 

 Refractory Use Alumina Aluminum Oxide AL2O3

 

Main standard:

Alumina(industry grade) made by slkali-lime sintered,It is white powdered crystal with low assay of Ti, Mn, Zn, Cu, V, Zr, Cr, Li, Pb, B, P, etc.It is used in the production of fused salt eletrorefining aluminium, corundum eramics, refractories and other alumina chemical products.

 

Product Pictures:

 

 

Refractory Use Alumina Aluminum Oxide AL2O3Refractory Use Alumina Aluminum Oxide AL2O3

Refractory Use Alumina Aluminum Oxide AL2O3

Refractory Use Alumina Aluminum Oxide AL2O3


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Q:The performance of refractory material
The mechanical properties of refractory material include withstand voltage strength. The structure properties of the refractory materials include porosity, bulk density, such as thermal emission rate. The physical properties of the refractory materials include temperature conductivity structure performance, wear resistance, hiphotos, electrical conductivity, creep, the hydration resistance, adhesive strength.
Q:Using what kind of melting aluminium furnace refractories is more appropriate?
If it's the ordinary, you can use high aluminum refractory brick with general clay, GB/T 3994-2005 clay heat insulation refractory brick. If you need these with good material, there is high alumina thermal insulation refractory brick, GB/T 3995-2006 high aluminum heat insulation refractory brick, models have A13 and material is the alumina, A13 50 u, high insulating brick B5.Intermediate insulating brick B2, etc. Dolomite brick: good hang kiln performance, good erosion resistance, but brick is usually without f - CaO, hydration, and difficult to transport and storage, less used in the production. Magnesia-chrome bricks: good hang kiln, used in calcining zone. The disadvantage is that its thermal shock resistance is poor and plus hexavalent Cr is toxic, the production and use of magnesite chrome bricks in international countries gradually reduce. Now unit using the brick find replacements as soon as possible.
Q:What does refractory mean?
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:Which industry does refractory belong to? Does it belong to construction industry?
I am engaged in construction. Refractory material does not necessarily belong to construction industry. Fire resistance is only a part of material performance. Indeed, there are many places requiring refractory accorded with fire resistant level.
Q:Which manufacturers have the best fire-proof materials with light weight?
Tinajin SPstar Insulation Material Co.,Ltd. is Chinese agent of German Berkson which is engaged in the application of field of high temperature and thermal insulation for many years and has accumulated experience of application of WDS nanometer scale micropore thermal insulation matrial in a variety of industries. Welcome domestic customers and experts in all industries to contact us and cooperate to promote this new energy-saving insulation materials. Make due contributions for China's energy-saving and sustainable development and low carbon emissions project!
Q:I want to know what is the slim in the refractory bricks
Where are you from, I can introduce to you
Q:Urgent question: could you tell me that the export of refractory materials to Vietnam is to be packed in wooden cases or smoked?
If the outer packing is made of solid wood, it must be fumigated! If it is not solid wood, you can do without!
Q:what's the varieties of thermal insulation material with A level fire rating?
the main A level fireproof material is rock wool now (note:it is rock wool not mineral wool). A1 level fireproofing, now the largest producer is Taishi rock wool Co., Ltd.; hope my answer can help you, thank you.
Q:How long is the fire-resistant time of fireproof wooden door?
fire endurance class A (1.5 hours), class B (1.0 hours), class C (0.5 hours).
Q:What are the commonly used admixture for alumina-magnesia refractory? What are the impacts on its performance?
Sodium silicate, pure calcium aluminate cement, boric acid

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