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Chromia corundum brick
Chromia corundum refractory brick is adopted corundum and fused chromium oxide as raw material, mixed with micro powder and other additive, after mixing, shaping, drying, sintering at high temperature shuttle kiln.
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Chromia corundum refractory brick is adopted corundum and fused chromium oxide as raw material, mixed with micro powder and other additive, after mixing, shaping, drying, sintering at high temperature shuttle kiln.
Chromia corundum refractory brick Feature:
Chrome corundum bricks are mainly used for the linings of carbon soot furnace and copper smelting furnace, tapping platform of rolling mill furnace and the skid rail molten pool of glass furnaces .
The parameter of Chromia corundum brick
Item
Chromia-Corundum Brick
Chromia-Corundum Brick
Chromia-Corundum Brick
Al2O3%
≤38
≤68
≤80
Cr2O3%
≥60
≥30
≥12
Fe2O3%
≤0.2
≤0.2
≤0.5
Bulk density,g/cm3
3.63
3.53
3.3
Cold Crushing strength MPa
130
130
120
Refractoriness under Load (0.2MPa ℃)
1700
1700
1700
Permanent Linear Change(%) 1600°C×3h
±0.2
±0.2
±0.2
Apparent porosity %
14
16
18
Application
High temperature industrial furnaces