Ceramic Pump Cavity Laser Spare Parts OEM
| Item | Unit | Silicon Nitride Ceramic |
| Composition (Si₃N₄) | % | ≥99.0 |
| Color | — | Gray |
| Density | g/cm³ | 3.22±0.02 |
| Mechanical Property |
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| Bending strength | Mpa | 720(RT) 400(1200℃) |
| Young's modulus | Gpa | 300 |
| Hardness | Gpa | 24 |
| Poisson ratio | — | 0.26 |
| Fracture toughness | Mpa·m^(1/2) | 5.5 |




