Detailed Product Description
Good quality with high refractoriness and longer use period.
Low-creep,good thermal stability
Good quality with high refractoriness and longer use period.
Low-creep,good thermal stability
Index
Item
|
Insulating silica brick
|
||||
LQG-0.8
|
LQG-1.0
|
LQG-1.0
|
LQG-1.5
|
LQG-1.2
|
|
SiO2 % ≥
|
88
|
1.96
|
91
|
91
|
91
|
Al2O3 % ≥
|
|
|
|
|
|
Fe2O3 % ≤
|
|
|
|
|
|
Refractoriness under load °C≥
|
|
|
|
|
|
A.P. % ≤
|
|
|
|
|
|
C.C.S (Mpa) ≤
|
1.8
|
1.96
|
2.94
|
4.9
|
5.39
|
True density
(g/cm3) ≤ |
|
|
|
|
|
Thermal
expansion ≥ |
1.3
|
||||
Linear change
after reheating %≤ |
|
|
|
+0.4
|
+0.4
|
Bulk density
(g/cm3) ≥ |
0.8
|
1.0
|
1.1
|
1.15
|
1.2
|