High Temperature Resistant 99.9% Al2O3 Tray Alumina Ceramic Crucible. High Purity Al2O3: Alumina content exceeds 99.7% for superior performance. Extreme Heat Resistance: Withstands temperatures up to 1800C for industrial use. Customizable Shapes: Available in arc, square, rectangle, and cylindrical shapes. Low MOQ: Minimum order quantity is just 1 piece. Thermal Shock Resistance: Resists sudden cold and hot changes without exploding. Chemical Etching Resistance: High resistance to chemical etching for durability. 1-Year Warranty: Free replacement for defects in materials or workmanship. 24h Support: 24-hour consultation and prompt reply service.