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Silica Insulation Brick

Silica Insulation Brick

Silica Insulation Brick

1. Great Thermal Mechanical Strength;
2. Strong Acid Slag Erosion Resistance;
3. Good Thermal Stability;
4. Lower Thermal Conductivity;
5. Lightweight and Energy-saving;

Technical Data

ω (SiO2) ≥/%91919191
Bulk Density ≥/(g/cm³)1.00 1.10 1.151.20
Cold Crushing Strength ≥/MPa2.0 3.0 5.0 5.0
Permanent Linear Change On Reheating ≤/℃1500℃, 2h//0.50.5
1450℃, 2h0.50.5//
0.1MPa Refractoriness Underload ≥/℃1400142015001520
Thermal Conductivity Coefficient ≤/[W/(m·K)]
(Average Temperature 350±10℃)
0.550.60 0.650.70

Applications of Silica Insulation Brick

Commonly used in coke oven insulation layers, glass kiln vaults, hot blast furnace walls and domes. It does not directly contact high-temperature molten materials and alkaline gas working layers.