1. Yttria stab.Zirconia ball:
1)preventing material from contamination because of its extreme low wear rate.
2)high grinding efficiency.
3)lower total costs due to the long using life.


2. User:
Materials for grinding and dispersing, structural ceramics, electronics ceramics, refractory ceramics, magnetic material, metallurgy, medicine, food, cosmetics, textiles, printing and dyeing, pigment and other industries.

3.Specification:
Items unit specification
Composition wt% 94.8% zro2
5.2% y2o3
Bulk density kg/l 3.73(2mm)
Specific density g/cm3 6.02
Hardness(hv) gpa >8.5
Elastic modulus gpa 200
Thermal conductivity w/m.K 3
Crushing load kn 20 (2mm)
Fracture toughness mpam1-2 9
Grain size µm 0.5
Thermal expansion coefficient(20-400 c) 10x10 -6 / c(20-400) 9.6


4. Available size:
Size (mm) size (mm) size(mm) size(mm)
0.2-0.4 1.4-1.6 3 20
0.4-0.6 1.6-1.8 5 25
0.6-0.8 1.8-2.0 6.5 30
0.8-1.0 2.0-2.2 10 35
1.0-1.2 2.2-2.4 12 40
1.2-1.4 2.4-2.6 15 45



25kgs/drum