Original
By certification 
Ceramic watch has a series of good properties,such as high strength,good fracture toughness,high density,good abrasion resistance,high hardness and so on.Ceramic Watch can be used as good abrasive and efficient grinding media.
Ceramic Watch parameter
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| Item | Test Condition | Unit&Symbol | Ceramic Watch |
| The main chemical ingredient | ZrO2:95% Y2O3:5% | ||
| Bulk Density | g/cm³ | 6 | |
| Maximum Use Temperature | 1300℃ | ||
| Water absorption | % | 0 | |
| ROHS Hardness | HRA | ≥83 | |
| Compressive Strength | 20℃ | Kgf/cm² | 2500 |
| Fracture Toughness | Map.m³/2 | 6～8 | |
| Coefficient of thermal expansion |
/℃ | 9.5*10～6 | |
| Thermal Shock Resistance | Tc | ℃ | 360 |
| Volume Resistivity | 20℃ | ΩNaN20℃ | >1012 |
