Silica bricks
SiO₂(%)≥95~96; Fe₂O₃(%)≤1.2~0.8; CaO(%)≤2.5True Density(g/cm³):2.34 Cold Crushing Strength(MPa)≥29.4~35
Silica bricks as one of the very common Al-Si refractory bricks are widely used for glass furnace, hot-blast stove and coke oven because of excellent characteristics.