Mullite Insulation Brick
Al2O3(%)≥: 40-77
Fe2O3(%)≤: 0.5-1.0
Bulk Density (g/cm³)≤: 0.55-1.35
Cold Crushing Strength (MPa)≥: 0.9-3.5
Alumina Bubble Brick
Al2O3≥/%: 90-99
ω (SiO2) ≤/%: 0.3
Bulk Density (g/cm³): 1.3-1.9
Cold Crushing Strength ≥/MPa: 6-18
Silica Insulation Brick
SiO2% (≥): 91
Bulk Density (g/cm³): 1.0-1.2
Refractoriness Under Load (℃)≥: 1400-1520
Cold Crushing Strength (MPa)≥: 2.0-5.0
High Alumina Insulation Brick
Al2O3≥: 48%
Fe2O3≤: 2.0%
Bulk Density (g/cm³): 0.5-1.2
Cold Crushing Strength(MPa)≥: 1.2-4.5
Fire Clay Insulation Bricks
Bulk Density (g/cm³)≤: 0.5-1.5
Thermal Conductivity (W/m·k)≤: 0.23-0.65
Cold Crushing Strength (MPa)≥: 0.8-6
Permanent Linear Change/%: -2-1