Silica brick is made of silicon as raw material with high temp firing ,which silicon oxide is above93% ,used in hot blast furnace,coke oven,glass kiln,these brick have good volume stability at high temperature, high refractoriness under the load,small rate of shrinkage in working condition.
Features Of Silica brick
Applications Of Silica brick
Specifications
Physical And Chemical Indicators Of Silica brick
Brand Properties | GZ-96 | GZ-95 | GZ-94 | |
Chemical Composition (%) | SiO2 | ≥96 | ≥95 | ≥94 |
Fe2O3 | ≤1.0 | ≤1.2 | ≤1.4 | |
Apparent Porosity (%) | ≤22 | ≤22 | ≤22 | |
True Density (g/cm3) | ≤2.34 | ≤2.35 | ≤2.35 | |
Cold Crushing Strength (MPa) | ≥30 | ≥30 | ≥30 | |
Refractoriness Under Load (ºC) | ≥1660 | ≥1650 | ≥1640 | |
Main Applications | Hot-blast furnace Coke oven Glass kiln |