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CAL CIN ED α-Al2O3

Place of Origin: Shanxi

Company Profile

Location: Yangquan, Shanxi, China (Mainland)
Business Type: Manufacturer, Trading Company, Service
Main Products: Refractory Material

Product Description

The internal organizational structure of aluminum oxide is changed from many crystal forms into α-Al2O3 phase after high-temperature calcination, then process to white powder. 

Density: 3.9-4.0g/cm3 

Melting point: 2050℃

Boiling point: 2980℃

Insoluble in water. 

Good sintering character, high conversion rate, low sodium content, perfect quality;

High melting point; good thermal stability, abrasive resistance, mechanical strength.

Good electrical insulating property and corrosion resistance. 

 

Application:

Shaped refractory products and monolithic such as castable, plastics, patching, gunning, painting, etc.

Improving the high-temperature strength of refractory. 

Enhancing the corrosion-resistance of refractory. 


Chemical and physical property:

Item

Unit

Low Na type  

Midium Na tpye 

Al2O3

%

≧99

≧99

SiO2

%

≦0.1

≦0.2

Fe2O3

%

≦0.05

≦0.05

Na2O,

%

≦0.1

≦0.3

True Specific Gravity

g/cm3

≧3.95

≧3.94

α-Al2O3

%

≧95

≧93

Granularity (D50)

micron

3-5

3-5


Packing: 

Woven bag with film (25kg)


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