Fused Cast AZS Brick

Fused Cast AZS Brick is made of the industry zirconia and industry alumina as the mainly mixed raw material, melting in the electric furnace, casting, annealing, machining, and then finished.

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Product Details

Fused Cast AZS Brick is made of the industry zirconia and industry alumina as the mainly mixed raw material, by melting raw materials in the electric furnace, casting, annealing, machining, and then finishing. It is mainly used in glass kilns. We provides AZS-33#, AZS-36# and AZS-41#.

The dense microstructure of AZS-33# makes the bricks resistant to glass corrosion, and it is not easy to produce stones or other defects in the glass kiln. It is the most widely used product in glass kiln, mainly suitable for the upper structure of the melting pool, the wall bricks and paving bricks of the working pool, the material channel and so on.

Due to the addition of more zirconia crystals and a lower glass phase content, the corrosion resistance of AZS-36# is further enhanced, so it is suitable for areas where the glass flow rate is fast or the temperature is high.

AZS-41# has extremely high exudation temperature of glass phase and extremely high resistance to glass liquid erosion. It is widely used in key parts of the glass kiln such as full electric melting furnace, throat, corner bricks of dog house, bubbling bricks and the bottom of the glass kiln.

Features:

 1. High compression strength
 2. Top high-temperature capability
 3. Excellent thermal stability.
 4. Low thermal conductivity
 5. Powerful penetrating-proof capability.
 6. Good erosion-resistance.
 7. Strong resistant erosion stability to the glass liquid.



Reference Index

AZS-33#

AZS-36#

AZS-41#

Chemical Composition

Al2O3

48-51

46-48

44-46

ZrO2

32-34%

35-37%

40-42%

SiO2

≦16.0%

≦14%

≦13.0%

Na2O

≦1.5%

≦1.6%

≦1.3%

Fe2O3+TiO2+CaO+Ma2O+K2O+B2O3

≦2.5%

≦2.5%

≦2.5%

Bulk Density( Dense part)

3.85g/cm3

3.95g/cm3

4.0g/cm3

Apparent Porosity ( Dense part)

≦2.0%

≦1.5%

≦1.3%

Corrosion Resistance of Glass Melting
(common glass,1500℃*36h)

≦1.6mm/24h

≦1.5mm/24h

≦1.3mm/24h

Bubbling Separating Rate         
(common glass,1300℃*10h)

≦2.0%

≦1.5%

≦1.3%

Exudation Temperature of Glass Phase

≧1400℃

≧1400℃

≧1400℃

Bulk density

RC/RN/PT  TCL/RO/QX

3.4g/cm3

3.45g/cm3

3.55g/cm3

ZWS

3.6g/cm3

3.7g/cm3

3.8g/cm3

VF/WS

3.8g/cm3

3.9g/cm3

3.95g/cm3

Application

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

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