Al2O3 Alumina Composite Refractory Concrete, Shape : Powder

Model
Properey ASC�1 ASC�2 ASC�3 AZC
Chemical composition (%) Al2O3� 60 65 70 70
SiO2� 25 20 13 ---
SiC� 5 6 12 8
Cold crushing strength (MPa) 1250��3h
After firing at 12 10 8 10
Apparent porosity (%) 1250��3h
After firing at 25 25 24 24
Linear changing after burnt (%) 1250��3h
After firing at -0.3�+0.8 -0.5�+0.6
Bulk density (g.cm3)
1250��3h
After firing at 2.7 2.8 2.85 2.85
Refractoriness� (�) 1700 1750 1790 1790
Amount for construction (kgm3) 2850 2950 3000 3000
Method of construction Jolt or ramming
Colour Grey & Black
Method of construction Jolt or ramming
Application Melting furnace for nonferrous metals
Characteristic
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