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usage coke oven,glass kilns and hot blast furnace
refractory silica bricks:
1.raw material silicon
2.package wood pallet
3.usage coke oven
4.high quality
|
Index |
Index |
|
|
Item |
Large Wall Brick |
Checker Brick |
|
SiO2, % |
≥95 |
|
|
Al2O3, % |
≤1.0 |
|
|
Apparent Porosity, % |
≤21 |
≤23 |
|
Cold Compressive Strength, Mpa |
≥45 |
≥35 |
|
Actual Density, g/cm3 |
≤2.33 |
≤2.33 |
|
Creep Rate, 0.2Mpa, 1550×50h, % |
≤0.6 |
|
|
Refractoriness under load, 0.2Mpa |
≥1650 |
|
|
Rheating Linear change rate, 1450×2h, % |
≤0.2 |
|
|
Residual Quartz, % |
≤1.0 |
|
|
Thermal Expansivity, % |
≤1.25 |
|
