Zhongci Zirconia Grinding Ball with Good roundness, smooth surface, high density and hardness, it's perfect ultra-fine grinding media
High stability, acid and alkali-resistance
High hardness and toughness, shockproof, hard to break.
Low abrasion wear(ppm grade), low harm to the equipment
|
Item |
Unit |
Specification |
|
Composition |
wt% |
94.5% ZrO2 5.2% Y2O3 |
|
Bulk Density |
Kg/L |
>3.6(Φ2mm) |
|
Specific Density |
g/cm3 |
≥6.02 |
|
Hardness |
Moh's |
>9.0 |
|
Elastic modulus |
GPa |
200 |
|
Thermal Conductivity |
W/m.K |
3 |
|
Crushing Load |
KN |
≥20 (Φ2mm) |
|
Fracture Toughness |
MPam1-2 |
9 |
|
Grain size |
µm |
≤0.5 |
|
Wear loss |
ppm/h |
<0.12 |












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