Refractory Silica brick used for hot blast stove and coke oven
USD $200 - $850 /Ton
Min.Order:1 Ton
Zhengzhou Titan International Trading Co., Ltd.
Factory-direct Refractory Brick light weight silica brick for hot blast furnace
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Technical index:
Item | Coke Oven Silica Brick | Glass Furnace Silica Brick | Hot Blast Stove Silica Brick | |
JJG-94 | JBG-95 | JBG-96 | JRG-95 | |
SiO2 % | 94.5 | ≥95 | ≥96 | 95 |
Fe2O3 % | 1.5 | ≤1.0 | ≤1.0 | 1.3 |
CaO % | 2.5 | 2.2 | 2.2 | |
Al2O3+Na2O+K2O % | ≤0.5 | ≤0.5 | 1 | |
Refractoriness °C | 1710 | 1710 | 1710 | 1710 |
Refractoriness under load T1,°C | 1650 | 1650 | 1660 | 1650 |
Apparent porosity % | 22(24) | 22(24) | 22(24) | 22(24) |
Cold crushing strength Mpa | 40(35) | 35(30) | 35(30) | 35(30) |
True Density g/cm3 | 2.33 | 2.32 | 2.33 | 2.34 |
Thermal Expansion % | 1000°C 1.28(1.30) | 1000°C ≤1.25 | 1000°C ≤1.25 | 1000°C 1.26 |
Residual Quartz % | 1.0 | 1.0 | 1.0 | 1.0 |
Creep rate % | 1550°C×50h(0.8) |