®   Features

Cordierite saggar, Mullite-Cordierite saggar, Mullite-Corundite saggar and Coundite.

®   Application

Mainly applicable to high-temperature and medium-temperature kiln furniture including magnetic materials, electronic component, electric porcelain, ceramic powder and ceramic pigment.

®   Specification

Item

Unit

Cordierite

Mullite-Cordierite

Mullite-Corundite

Corundite

Al2O3

wt%

35

45

75

95

MgO

wt%

6

2

-

-

Apparent Porosity

vol%

28

25

24

24

Bulk Density

g/cm³

2.1

2.2

2.6

2.8

Flexural Strength

(normal temp.)

kg/cm²

80~100

90~110

100~150

120~150

Compression Strength

(normal temp.)

kg/cm²

300

350

600

600

Thermal Expansivity

%

0.4

0.42

0.55

0.7

Thermal Conductivity

W/(m.K)

1.1~1.3

1.2~1.4

1.3~1.4

1.5

Refractoriness

1650

1750

1790

1790

Max. Service Temp.

1250

1350

1450

1650