1. Silica brick is the main refractory bricks used in glass melting furnace;its main crystal phase is Tridymite.
2. Silica brick for glass melting furnace is used in building checker chamber, chute, combustion chamber,coking chamber,and furnace arch etc.
3. Silica brick for glass furnace have following characters:
（1）High refractoriness under load.
（2）High heat conductivity.
（3）Good thermal shock resistance.
（4）Solidity stable of capacity in high temperature.
Index |
Item |
JG-1 |
JG-2 |
Bottom, Wall |
Others |
SiO2,%≥ |
94 |
0.2Mpa refractoriness under load , ℃≥ |
1650(silica with glue 1620) |
Reheating linear change %
1450℃×2h |
＋0.2
0 |
Apparent porosity,%≤ |
22(23) |
24 |
Compress strength, Mpa≥ |
30 |
25 |
Absolute density,g/m3≤ |
2.34 |
2.35 |
Thermal expansion rate at,%1000℃≤ |
1.28 |
1.30 |
Silica brick packing
Bricks are packed on wooden pallet and then polyethylene film is placed over it, finally the package is tied up with plastic-steel strips.
Silica brick order quantity
We can supply big quantity for whole glass furnace project.
Silica brick delivery time
5000 mt silica brick can be supplied per month
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