Light weight silica brick
Light weight silica brick, SiO2: more than 91%, High refractoriness under load, Good thermal shock resistance.
Description
Light weight silica brick
Item: |
GGR-1.00 |
GGR-1.10 |
GGR-1.15 |
GGR-1.20 |
|
SiO2 % ≥ |
91 |
91 |
91 |
91 |
|
Bulk density: g/cm3 ≥ |
1.00 |
1.10 |
1.15 |
1.20 |
|
Cold crushing strength Mpa≥ |
2.0 |
3.0 |
5.0 |
5.0 |
|
Permanent linear change % ≤ |
1550°C ,2h |
|
|
0.5 |
0.5 |
1450°C ,2h |
0.5 |
0.5 |
|
|
|
refractoriness under load 0.1Mpa ≥ |
1400 |
1420 |
1500 |
1520 |
|
Thermal conductivityaverage temp 350±10°C W/(m .k) ≤ |
0.55 |
0.60 |
0.65 |
0.70 |