Lightweight Alumina-Mullite BrickMade primarily from fused white corundum sand, the product features a dense structure, excellent high-temperature strength, and outstanding erosion and wear resistance. It boasts strong stability and is unaffected by reducing gases such as H2 and CO. Lightweight.Corundum mullite brickWidely used in the refractory linings and accessories for various high-temperature electric furnaces, as well as in medium and high-temperature sections of industries such as ceramics, electronics, and metallurgy. Corundum mullite brick physical and chemical indicators: Project Electrical熔融AluminaBrick GY-99 CorundumMolai Stone Tiles GYM-95 RubyMolai Stone Tiles GYM-90 RubyMolai Stone Tiles 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 Furnace Temperature (°C) 1790 1790 1790 1790 Load Softening Point ≥ 0.2 MPa KD 1700 1700 1700 1650 Reburn Line Change (%) 1600×3h≤ 0.2 0.2 0.2 0.3 High thermal stability: ≥1100℃ water-cooled beverage 6 10 10 20 Project Lightweight Alumina-Mullite Bricks GYM-80 Lightweight Alumina Mollite Bricks GYM-80 Lightweight Alumina-Mullite Bricks GYM-80 Lightweight Alumina-Mullite Bricks GYM-75 Lightweight Alumina Mollite Brick 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 Room temperature pressure resistance strength MPa ≥ 50 40 30 26 25 Fireretardant temperature (°C) 1700 1650 1600 1600 1550 No Chinese content provided. 1650 1600 1550 1550 1500 Reburn Line Change (%) 1600×3h≤ 0.2 0.2 0.18 0.18 0.17 High thermal stability: ≥1100°C water-cooled beverage 20 26 28 30 30
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