Zirconia Corundum Brick

Zirconia Corundum Brick

1.High compression strength,
2.Top high-temperature capablility,
3.Excellent thermal stability,
4.Low thermal conductivity,
5.Powerful penetrating-proof capability.

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Industrial Refractory

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  • 10th Floor, Building 6, China Central Electronic Commerce Port, Daxue Road, Erqi Dist., Zhengzhou 450000, Henan, China





Zirconia Corundum Brick Introduction
RONGSHENG zircon corundum brick is made of a-Al2O3, ZrO2 and zirconium corundum clinker as materials , it is produced by mixing, molding, drying and sintering at high temperature in shuttle kiln.
Zircon corundum brick are the most widely used materials both in glass contact and superstructure of glass melting furnaces.The products have passed the ISO international certified, are made of high pure material, fired at high temperature by advanced technology, with the advantages of high strength, high compression resistance, good thermal shock resistance, good performance in high temperature, good thermal conductivity, good erosion resistance and so on. Widely be used for linings of furnace in industries.
Zirconia Corundum Brick Product Parameters
The parameter of Zirconia corundum brick 
Item AZS-33 AZS-36 AZS-41
Al2O3% standard standard standard
ZrO2% ≥33 ≥33 ≥41
SiO2% ≤16 ≤14 ≤13
Fe2O3+TiO2% ≤0.3 ≤0.3 ≤0.3
Bulk density,g/cm3 3.5-3.6 3.75 3.9
Cold Crushing strength MPa 350 350 350
Thermal expansioncoefficient(1000℃) 0.80 0.80 0.80
Exudation temperature of glass         phase°C 1400 1400 1400
Baddeleyite 32 35 40
Glass phase 21 18 17
α-corundum 47 47 43
Zirconia Corundum Bricks Features

1. Raw material is corundum and baddeleyite eutecticum, high compression strength

2.Top high-temperature capablility.

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.
Zirconia Corundum Brick Manufacturing Process

Made of the zirconite (Industry zirconia ) and industry alumina as the mainly mixed raw material, melting in the electric furnace, casting, annealing, machining, then finished.


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