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Refractory grade White fused alumina
White Fused Alumina, 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.
Advantages
1.Flexible price policy
2.Equipped full line of test method.
3.Brilliant produce&supply&delivery ability
4.We passed the certification of ISO9001:2000
5.White fused alumina has Al2O3 content 99% min
6.All products will be supplied according to customers different requirement.
7.The laboratory is certified by government Inspection Bureau, that assures its quality stability.
Purpose |
Specification |
Chemical composition(%) |
Magnetic material content(%) |
||||
Al2O3 |
Na2O |
SiO2 |
CaO |
||||
For refractory |
Size sand |
0-1mm 1-3mm 3-5mm 5-8mm 8-12mm |
99.0Min |
0.5 Max |
— |
0.4 Max |
0.003 Max |
Fine powder |
180#-0 240#-0 320#-0 |
98.5Min |
0.3 Max |
0.5 Max |
0.001 Max |
||
Item |
Specification |
Colour |
white |
Crystal System |
trigonal system |
Mohs Hadness |
≥10 |
Melting Temperature(℃) |
2250 |
Refractory Temperature(℃) |
1900 |
True Density |
≥3. 50 |
White Fused Alumina is the main starting material to produce high-grade unshaped and shaped refractoriness and is widely used in the field of iron-steel industry,ceramics,petrochemical industry etc. It is the ideal material to produce the unshaped refractoriness such as large ladle castables,medium and high grade BF trough castables,gunning material,pre-cast shapes and is the main material to produce alumina products such as corundum bricks, corundum and mullite-corundum sagger,refined porous plug bricks, monolithic lance composite nozzle, lining material for high temperature industrial furnaces,etc.
White Fused Alumina can be used as consolidation & coating abrasives, wet or dry sprayed grit, suitable for ultra-precise grinding and polishing in the crystal and electronic industry and can be used to produce high-grade refractoriness. It is suitable to machine high stiffness &high tensile strength materials such as chilled steel, alloyed steel, high-speed steel, high carbon steel, etc. In addition, it can be used as catalyst, insulator, precise foundry sand, etc.
Q1. Will the FREE SAMPLES be provided for buyers?
- YES. We will provided FREE SAMPLE about 1kg
Q2. How about the express fee?
- Our company's policy is the buyer pay for express fee.
Q3. Is there QUALITY REPORT for the products?
- YES. We provide quality report of our company or CIQ,SGS according to client's requirement.
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