High quality silica brick for glass furnace
Silica Bricks aremade of quartz stone material.The content of SiO2ismore than94%.Silica fire bricksbelonging to acidrefractory bricks,have the excellent ability to resist acid slag and acid solution erosion.Silica refractory brickshave good high temperature stability and high refractoriness under load about 1640-1680℃.It is an ideal refractory material for high-temperature furnace construction.As a professional silica bricks manufacturer, we have exported silica refractory bricks to more than 30 countries.Please kindly read the following more information and makeInquiry
Scope of application:Silica bricks are mainly used in glass industry and steel industry.lGlass melting tank , glass kilnandSoaking pit,Doghouse crown, suspended wall of channel, top crown and inlet sealing of glass furnace.lPartition walls of the carbonization chamber and combustion chamber of the coke oven.lThe regenerator and slag chamber of the steelmaking open hearth furnace.
Advantage:
lGood acid resistance
lGood thermal stability at high temperature
lStrong resistance to glass liquid and air erosion
lHigh purity and less pollution to glass liquid
lLight weight and long service life
Technical Data:
|
Item |
BG-94 |
BG-95 |
BG-96A |
|
|
Chemical composition |
SiO2 |
≥94 |
≥95 |
≥96 |
|
Fe2O3 |
≤1.5 |
≤1.5 |
≤0.8 |
|
|
Al2O3+TiO2+R2O |
≤1.0 |
≤0.5 |
||
|
Refractoriness℃ |
1710 |
1710 |
1710 |
|
|
Apparent Porosity％ |
≤22 |
≤21 |
≤21 |
|
|
Bulk Density g/cm3 |
≥1.8 |
≥1.8 |
≥1.8 |
|
|
True Density,g/cm3 |
≤2.38 |
≤2.38 |
≤2.34 |
|
|
Cold Crushing Strength Mpa |
≥24.5 |
≥29.4 |
≥35 |
|
|
≥1630 |
≥1650 |
≥1680 |
|
|
Permanent Linear Change On Reheating（%）1500℃X2h |
0～+0.3 |
0～+0.3 |
0～+0.3 |
|
|
20－1000℃Thermal Expansich10-6/℃ |
||||
|
Thermal Conductivity (W/MK) 1000℃ |
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We can also produce silica bricks according to the datasheet requirements from the customers
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