Sapphire Mica Ceilings TileMainly composed of fused white corundum sand, the product features dense structure, high-temperature strength, excellent erosion resistance and wear resistance, strong stability, and unaffected by reducing gases such as H2 and CO. LightweightCorundum Mica BrickBroadly used for the linings and accessories of various high-temperature electric furnaces, as well as in medium and high-temperature sections of industries such as ceramics, electronics, metallurgy, etc.
Sapphire Mica Brick Physical and Chemical Specifications:
Project | Electrical fused aluminaBrick GY-99 | SapphireMolten Lava Bricks GYM-95 | SapphireMolten Lava Brick GYM-90 | SapphireMolten Lava Brick GYM-80 |
Al2O3%≥ | 99 | 95 | 90 | 80 |
SiO2%≤ | 0.3 | 3.0 | 9.0 | 18 |
Fe2O3%≤ | 0.2 | 0.2 | 0.4 | 0.4 |
Volume Density g/cm³3≥ | 3.2 | 3.0 | 2.9 | 1.8-2.7 |
At room temperature, pressure resistance strength MPa ≥ | 75 | 100 | 100 | 60 |
Fusibility temperature (°C) | 1790 | 1790 | 1790 | 1790 |
Tensile Softening Point at 0.2 MPa ≥ KD℃ | 1700 | 1700 | 1700 | 1650 |
Reheat Line Change (%) ≤ 1600×3h | 0.2 | 0.2 | 0.2 | 0.3 |
Hot stability > 1100℃ water-cooled beverage ≥ | 6 | 10 | 10 | 20 |
Project | Lightweight Alumina-Mullite Bricks GYM-80 | Lightweight Alumina-Mullite Bricks GYM-80 | Lightweight Alumina Mollite Bricks GYM-80 | Lightweight Alumina Mollite Brick GYM-75 | Lightweight Alumina Mollite Bricks GYM-70 |
Al2O3%≥ | 80 | 80 | 80 | 75 | 70 |
SiO2%≤ | 18 | 18 | 18 | 20 | 25 |
Fe2O3%≤ | 0.4 | 0.4 | 0.35 | 0.3 | 0.3 |
Volume Density g/cm³3≥ | 1.7 | 1.4 | 1.1 | 1.0 | 1.0 |
At room temperature, pressure resistance strength MPa ≥ | 50 | 40 | 30 | 26 | 25 |
Fireretardant temperature (°C) | 1700 | 1650 | 1600 | 1600 | 1550 |
Residual Softening Point ≥ 0.2 MPa, KD 0.2℃ | 1650 | 1600 | 1550 | 1550 | 1500 |
Reheat Line Change (%) ≤ 1600×3h | 0.2 | 0.2 | 0.18 | 0.18 | 0.17 |
Hot Stability ≥ 1100℃ water-cooled beverage | 20 | 26 | 28 | 30 | 30 |
