1. Al2O3>99.0%, 2. Density, 3.85g/cm3, 3. Flexural strength, 360Mpa, 4. Max. service temp, 1800C. Kejia Alumina Crucible(Round and Square)Features:1. High purity, (Al2O3≥99.7%; Fe2O3≤0.1%; SiO2≤0.2%.)2. High chemical etching resistance,3. Temperature tolerance, 1600deg C for long term application; 1800deg C for short term application, 4. Resistant to sudden cold and hot, un-explosive,5. High ...