99.7% Alumina Ceramic Wafer Polishing Plate

99.7% Alumina Ceramic Wafer Polishing Plate. High Purity Material: 99.7% to 99.9% Al2O3 content ensures superior performance. Advanced PIBM Technology: Solves crack and deformation issues for large size ceramics. Customizable Sizes: Disc sizes from D150mm to D600mm and custom options accepted. High Mechanical Strength: Flexural strength of 440-550 MPa for extreme durability. Excellent Wear Resistance: Vickers Hardness >=17 GPa for long service life. Chemical Durability: Resists severe microchip-processing equipment environments. Cost-Effective Solution: High quality comparable to Japanese plates at a better price.