AZS Bricks

AZS Bricks

1.High Temperature and Erosion Resistance,
2.High Compactness Property,
3.Good Mechanical Property and Wear Resistance.

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AZS Bricks Introduce

AZS Brick is a kind of fused cast zirconia-corundum refractory brick which is short writing of abbreviation that AZS from “A” of Al2O3, “Z” of ZrO2 and “S” of SiO2. Such as No. 33 fused cast zirconia-corundum refractory brick adopts the “AZS-33#” as its abbreviation, No. 36 fused cast zirconia-corundum refractory brick adopts the “AZS-36#” as its abbreviation and No. 41 fused cast zirconia-corundum refractory brick adopts the “AZS-41#” as its abbreviation.
Application of AZS Bricks

The AZS bricks are mainly applied for the top and bottom structure of melting chamber. Such as melting tank, the tank wall brick, the paving brick, the forehearths and so on. The high corrosion part shall be AZS 41#, such as the feeding part, the throat, the bubble brick, the furnace weir, the burner block, the tongue brick the discharging part and so on.

Rongsheng Refractory AZS Bricks Technical Data 
Chemical composition AZS-33 AZS-36 AZS-41
ZrO2 ≥33 ≥35 ≥40
SiO2 ≤16.0 ≤14 ≤13.0
Al2O3 a little a little a little
Na2O ≤1.5 ≤1.6 ≤1.3
Fe2O3+TiO2 ≤0.3 ≤0.3 ≤0.3
Physical Properties  
Bulk density(g/cm3): 3.5-3.6 3.75 3.9
Cold crushing Mpa 350 350 350
Thermal expansion coefficient (1000°C) 0.8 0.8 0.8
Exudation temp. of glass phase 1400 1400 1400
Corrocion resistance  of glass melt(mm/24h) 1.6 1.5 1.3
Density PT   QX 3.4 3.45 3.55


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