Zirkoniumoxidkugeln

2..2 Features: 1, the low amount of wear, prevent material contamination. 2, for high viscosity, wet grinding and dispersion of the occasion. 3, high grinding efficiency. 4, extremely long life, consolidated operating costs low. Application: 1, high strength, high toughness products: magnetic materials, piezoelectric ceramics, dielectric ceramics 2, to prevent pollution: medicine, food, cosmetics 3, wear resistance, corrosion-resistant products:dope, textiles, paints, printing and dyeing 4, Ceramics: Electronic ceramics, refractory ceramics, structural ceramics Items Units Parameters Composition Wt% 94.8%ZrO25.2%Y2O2 Packed Density Kg/L 3.5(φ7mm) Specitic Density g/cm³ ≥6.02 Hardness(HK) Gpa >11 Elastic moduils Gpa 200 Thermal Conductivity w/m.k 3 Crushing Load KN ≥20(φ7mm) Fracture Toughness Mpam ½ 9 Grain size µm ≤0.5 Thermal expansion Coefficient(20-400°C) 10×10(20to400) 9.6