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Sintered Mullite

Sintered Mullite
Details

Sintered mullite is made from local excellent rotary kiln bauxite by sintering in rotary kiln with the high temperature about 1600℃. Its color is gray-black. The sintered mullite is mainly used for the refractory industry, such as production for mullite bricks,mullite-cordierite ceramic products.

Spec %

Mullite 47

Mullite 60

Mullite 70

Al2O3

48-52

60-65

70-73

SiO2

45-49

32-37

23-26

Fe2O3

1.1

1.3

1.5

TiO2

2.0

2.8

3.0

K2O

0.2

0.25

0.2

Na2O

0.1

0.1

0.1

CaO

0.2

0.25

0.25

MgO

0.1

0.15

0.15

B.D.

2.55-2.6g/cm3

2.7-2.75g/cm3

2.8g/cm3

A.P.(max)

3.0

3.0

3.0

Mullite

65

80

90

Class

30

20

10

CRISTOBALITE

trace

trace

trace

size

0-1-3-5-8mm

100mesh, 200mesh

0-1-3-5-8mm

100mesh, 200mesh

0-1-3-5-8mm

100mesh, 200mesh
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