Zirkonia-Keramik

Zirconia ceramic has high toughness、high bending strength、high abrade-resistance,the Coefficient of thermal expansion is close to steel,it was widely used in structure ceramic areas. Mainly products: Y-TZP grinding ball,grinding medium,nozzles,ball valve and seat,zirconia moulds,fan axes,drawbench mould,incision tools,wearable knives and other wearable accessories Zirconia material parameter: Item Test Condition Unit&Symbol Zirconia Ceramic The main chemical ingredient ZrO2: 95% Y2O3: 5% Bulk Density g/cm3 6 Maximum Use Temperature 1300°C Water absorption % 0 ROHS Hardness HRA ≥83 Compressive Strength 20° C Kgf/cm2 25000 Fracture Toughness Map.m3/2 6 - 8 Coefficient of thermal expansion /°C 9.5*10-6 Thermal Shock Resistance Tc °C 360 Volume Resistivity 20°C Ω.cm20°C > 1012