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We supply varies of fire clay bricks. Any inquire are welcoming.
|
Mark |
Normal Type |
|
|
Chemical composition (%) |
Al2O3 |
25~30 |
|
Fe2O3 |
≤2 |
|
|
SiO2 |
65~70 |
|
|
Refractoriness() |
≥1650 |
|
|
Density(g·-3) |
2.1 |
|
|
Apparent porosity (%) |
≤25 |
|
|
Compressive strength (MPa) |
≥25 |
|
|
Refractoriness under load T0.6 |
≥1350 |
|
|
Thermal expansion rate(900) [%] |
0.7 |
|
|
Thermal conductivity/ (350) [W/(m·K) ] |
1.28 |
|
|
Thermal shock resistance1100→water cold[times] |
≥10 |
|
