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Fused Cast High Zirconia Brick

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Product: fused cast high zirconia brick

Category:  Fused Cast Refractories

Application:  Glass industry

Item Code:  A1401

What is a fused cast high zirconia brick?

The fused cast high zirconia brick is a type of refractory product that uses a very high zirconia content (≧94%) as the main component with a very low silicate phase (≤6%). It is widely used in glass furnaces, especially in the special glass industry, due to its strong erosion resistance, low thermal conductivity, and low potential for blistering and stoning.

In addition, the product is extremely difficult to manufacture, especially when it comes to special-shaped bricks.

AGRM has the capacity and rich experience to produce special-shaped refractory bricks, especially fused cast refractories for glass furnaces. The team accepts drawings of the refractory brick and can carry it into production.

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application of fused cast high zirconia brick

Electrofused high-zirconium bricks were first used in the manufacture of glass bubbles in the CRT (cathode ray tube) industry as early as the 1990s and have achieved remarkable results. In recent years, it has been widely used in the fields of oxygen combustion furnaces, electronic glass ceramics, high-alumina glass, and other fields. The main recommended parts of electrofused high zirconia brick applied in a glass furnace are listed below.

sidewall

refining

working end bottom

sidewall patching

Improving erosion resistance of below glass:

Alkali-free glass

Borosilicate glass

Opal fluoride glass

Glass ceramics

High alumina glass

Other special glasses

Physical And Chemical Indicators of Electrofused High Zirconia Brick

ItemsIndexRemark
Al2O3%1.2
ZrO294.2
Na2O0.3
SiO24.0
Fe2O3 +TiO20.3
ItemsUnitIndexRemark
True DensityKg/m³5420
C.C.Spa≧3.5X108(3500kg/cm2)
R.U.L (0.2MPa)≧1750
At 850–1200 °C, the volume increased after 25 thermal cycles≦0.3%

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Phone Number: 0086 16668392162
Address: No. 1109, Building A, World Trade Center, Southern of Zhonghua Road, Wenfeng District, Anyang City, Henan Province, China

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