Common

Standard

Pure

High Aluminium

Zirconium

Classification temperature()

1100

1260

1260

1360

1430

Work temperature()

<1000

1050

1100

1200

1350

Color

White

Pure white

Pure white

Pure white

Pure white

Density (kg/m³)

96 128

96 128

96 128

128 160

128 160

Permanent linear shrinkage(%)(after24 hours,density 128kg/m³)

-4 (1000)

-3 (1000)

-3 (1100)

-3 (1250)

-3 (1350)

Thermal conductivity (w/m.k) density 128kg/m³)

0.09(400) 0.176(800)

0.09(400) 0.176(800)

0.09(400) 0.176(800) 0.22(1000)

0.132(600) 0.22(1000)

0.76(600) 0.22(1000)

Tensile strength (Mpa) density128kg/m³)

0.08-0.12

0.08-0.12

0.08-0.12

0.08-0.12

0.08-0.12

Chemical

Composition 

(%

AL₂O₃

44

46

47--49

52-55

39-40

AL₂0₃+SIO₂

96

97

99

99

-

AL₂O₃+SIO₂+Zro₂

-

-

-

-

99

Zro₂

-

-

-

-

15-17

Fe₂O₃

<1.2

<1.0

0.2

0.2

0.2

Na₂O+K₂O

≤0.5

≤0.5

0.2

0.2

0.2

Size (mm)

Common 7200*610*10-50others up to buyer