Light weight Insulation Brick Description

composed of compound mullite , the brick are processed through moulding under high pressure ans sintering at high temperature , with feature of strong strength,steady bulk at high temperature and small creep rate, which are available for hot blast stove of large and middle size.



Insulation Brick parameter:



RS Brand
RS-0.5
RS-0. 6
RS-0. 8
RS-1.0
RS-1.3
RS-1.5

USA Brand
ISO125-0.5
ISO125-0.6
ISO135-0.8
ISO135-1.0
ISO140-1.2
ISO140-1.5

Max Service Temperature (°C)
1150
1200
1280
1300
1350
1400

Bulk Density (g/cm3)
0.55
0.6
0.8
1.0
1.3
1.5

Apparent Porosity %
80
70
60
55
50
40

Cold Crushing Strength

(Mpa) ≥
1.5
2.0
2.5
3.0
4.0
6.0

Reheating Linear Change (%) °CX 12H ≤
1250°C

-0.5
1300°C

-0.5
1350°C

-0.5
1350°C

-0.9
1350°C

-0.9
1350°C

-0.9

Thermal conductivity(W/m.k)
400°C
0.14
0.25
0.35
0.41
0.51
0.6

600°C
0.16
0.29
0.45
0.43
0.61
0.71

800°C
0.18
0.31
0.50
0.44
0.67
0.77

1000°C
0.20
0.33
0.60
0.45
0.8
0.9

Al2O3 (%)
37
40
40
40
40
42

Fe2O3 (%)
1.0
1.5
1.5
1.5
2
2

SiO2
44
55
55
55
55
55