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Fused mullite
Fused mullite
Supplier Info
[China Supplier]
Contact Person : Mr. Yuan Lyn
Tel : 86-518-82325720
Fax : 86-518-82325708
Product Detail
Colour: gray Manufactured from pure quartz sand and industrial alumina in electric arc furnace, with high melting point, excellent thermal stability, low reversible thermal expansion and resistance to thermal shock and chemical corrosion at high temperature, Fused Mullite is widely used as lining brick in glass body kiln and large hot wind furnace in iron-making blast furnace, as well as in ceramic kiln furniture and petrochemistry. 

Fused Mullite

 

Type

Index

Guarantee value

Typical value

Chemical Composition (%)

Al2O3

70-77

75.30

SiO2

22-29

24.08

Fe2O3

≤0.1

0.05

R2O3

≤0.5

0.18

RO

≤0.3

0.28

Mullite phase 3Al2O3 2SiO2(%)

≥95

Glass phase (%)

≤5

Linear expansion coefficient (1/°C)

-6.0×10-6

Density of volume (g/cm3)

≥3.0

Refractoriness( °C )

≥1840

Grain size (mm)

5-3 3-1 1-0

Color

White or Grey

Fused mullite

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