Description
GEN Insulating Fire Bricks are specially characterized by their excellent porous structure, thermal conductivity, heat expansion, mechanical strength, low weight and high thermal insulating properties suitable for minimizing a heat loss and maximizing a heat conservation in industrial kilns and furnaces behind a refractory lining. GEN Insulating Fire Bricks are manufactured by using sawdust & Styrofoam and designed for a maximum service temp. 1100°C to 1760°C.
Features
* Various Max. Service Temp.: 1100°C to 1760°C
* Excellent insulating properties
* High Mechanical Strength
* Light Weight
* Good insulation Value
* Good Thermal Shock Resistance
Grade
GEN-20S
GEN-20
GEN-23S
GEN-23
GEN-26
GEN-28
GEN-30
GEN MULTI -32
Maximum service temperature
°C
1100
1100
1260
1260
1430
1540
1650
1760
°F
2012
2012
2300
2300
2600
2800
3000
3200
Bulk density, dried at 110°C
kg/m3
500=
500±50
500=
500±50
700±50
900±50
1000±50
1250±50
Cold crushing strength
MPa
1.2
1.2
0.9
1.2
1.7
2.2
2.6
3.5
lbs/sq.in.
174
174
131
174
247
319
377
508
Llinear thermal expansion (ASTM C-210)
%
0.5=
0.5=
0.5=
0.5=
0.5=
0.7=
1=
1=
°C
1070
1070
1230
1230
1400
1510
1620
1700
Thermal conductivity (ASTM C-182)
mean temp. @200°C
W/(mK)
0.11
0.13
0.15
0.12
0.25
0.30
0.36
0.46
@400°C
0.13
0.15
0.17
0.14
0.27
0.32
0.38
0.48
@600°C
0.15
0.17
0.18
0.16
0.29
0.34
0.41
0.50
@800°C
0.15
0.19
0.21
0.16
0.31
0.36
0.42
0.51
@1000°C
0.19
0.23
0.25
0.20
0.33
0.38
0.44
0.53
@1200°C
-
-
0.27
0.23
0.35
0.41
0.47
0.56
@392°F
BTU/
(sq.ft.×h×°F/in)
0.76
0.90
1.04
0.83
1.73
2.08
2.50
3.19
@752°F
0.90
1.04
1.18
0.97
1.87
2.22
2.64
3.33
@1112°F
1.04
1.18
1.25
1.11
2.01
2.36
2.84
3.47
@1472°F
1.04
1.32
1.46
1.11
2.15
2.50
2.91
3.54
@1832°F
1.32
1.59
1.73
1.39
2.29
2.64
3.05
3.68
@2192°F
-
-
1.87
1.59
2.43
2.84
3.26
3.88
Chemical analysis, typical (%)
Silica
SiO2
53.21
39.80
43.00
43.20
46.90
27.90
27.30
21.30
Alumina
Al2O3
41.35
42.10
51.80
52.00
48.30
70.50
71.10
77.10
Titanium dioxide
TiO2
1.56
0.58
1.02
1.32
0.12
0.11
0.10
0.11
Ferric oxide
Fe2O3
1.23
0.86
1.14
0.63
0.76
0.40
0.43
0.43
Calcium oxide
CaO
0.65
13.80
0.52
0.56
0.89
0.24
0.23
0.18
Magnesium oxide
MgO
0.12
0.63
0.13
0.15
0.16
0.10
0.10
0.20
Potassium oxide
K2O
0.99
0.81
0.94
0.92
1.22
0.26
0.25
0.23
Sodium oxide
Na2O
0.37
0.39
0.34
0.33
0.23
0.32
0.28
0.26
Loss on ignition
1025°C (1877°F)
LOI
0.15
0.07
0.12
0.12
0.04
0.01
0.02
0.01
Colour
WHITE
BEIGE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
GEN Series Insulating Fire Brick/ Lightwei...
Description
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