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Fused Zirconia Mullite

Fused Zirconia Mullite
Fused Zirconia Mullite
Product Code : 05
Product Description

Process of Production

FZM is manufactured from fusing high quality Bayer process alumina and zircon sand in electric arc furnace, During melting, the zircon and alumina react to yield a mixture of mullite and zirconia.
It is composed of large needle-like mullite crystals containing co-precipitated monoclinic ZrO2

Application :

  • It is used in specialty product applications where a high resistance to environmental corrosion and a low coefficient of thermal expansion are desirable properties.
  • Applications include ceramic pressure casting tubes and refractory shapes requiring resistance to molten slag and molten glass.
  • Zir-mull bricks and bricks used in the Glass Industry as well as an additive in Continuous casting refractories.

Technical Specification :

Items

Unit

Index

Typical

Chemical composition

AI2O3

%

41.00-46.00

44.68

ZrO2

%

35.00-39.00

36.31

SiO2

%

1650-20.00

17.13

Fe2O3

%

0.20 max

0.09

Bulk Density

G/cm3

3.6 min

3.64

Apparent Porosity

%

3.00max

Phase

3AI2O3.2SiO2

%

50-55


Indined ZrSiO2

%

30-30


Corundum

%

5.00 max


Glass

%

5.00 max


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CERAMICS INTERNATIONAL
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