High alumina insulation brick

Print
High alumina insulation brick, Small volume density, Low thermal conductivity, Excellent heat insulation....

Description

High alumina insulation brick

 

Item:

LG-1.2

LG-1.0

LG-0.9

LG-0.8

LG-0.7

LG-0.6

LG-0.5

LG-0.4

Al2O3 % ≥

48

Fe2O3 % ≤

2.0

Bulk density g/cm3

1.2

1.0

0.9

0.8

0.7

0.6

0.5

0.4

Cold crushing strength Mpa ≥

4.5

4.0

3.5

3.0

2.5

2.0

1.5

0.8

Permanent linear change temp ≥,less than 2%

1400

1400

1400

1400

1350

1350

1250

1250

Thermal conductivity

W/m.k 350±25

≤0.55

≤0.50

≤0.45

≤0.35

≤0.35

≤0.30

≤0.25

≤0.20