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Product Description
![]() | Si3N4 mechanical spare parts advantages:
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Si3N4 mechanical spare parts features: High Hardness & Wear Resistance Excellent High-Temperature Stability Superior Corrosion Resistance Low Friction Coefficient | ![]() |
![]() | Silicon Nitride Ceramic Introduction: Our silicon nitride (Si3N4) ceramic parts are precision-engineered for demanding industrial applications.This advanced ceramic material offers exceptional hardness, high-temperature stability, making it ideal for wear-prone machinery components. |
| Alumina Ceramic Part Application: High-temperature wear-resistant machinery parts, pump valves, mechanical seals, chemical equipment, electronic ceramic components, automotive and mining machinery. | ![]() |
项目 Item | 气压烧结 gas pressure sintering | 热压烧结 hot pressing sintering | 反应烧结 reactive sintering | 无压烧结 pressureless sintering |
洛氏硬度 Rockwell hardness (HRA) | ≥75 | - | >80 | 91-92 |
体积密度 Volume density(g/cm3) | 3.25 | >3.25 | 1.8-2.7 | 3.0-3.2 |
介电常数 Dielectric constant (εr20℃,1MHZ) | - | 8.0(1MHz) | - | - |
电阻率 Electric volume resistivity (Ω·cm) | 1014 | 108 | - | - |
断裂韧性 Fracture toughness (MPa·m1/2) | 6-9 | 6-8 | 2.8 | 5-6 |
弹性模量 Elasticity modulus(GPa) | 300-320 | 300-320 | 160-200 | 290-320 |
热膨胀系数 Thermal expansivity (10-6/K) | 3.1-3.3 | 3.4 | 2.53 | 3.0-3.3 |
热导率 Thermal conductivity W/(m·K) | 15-20 | 34 | 15 | - |
韦伯模数 Weibull modulus | 12-15 | 15-20 | 15-20 | 10-18 |
Company Profile

Packaging & Shipping
Packing Details | We will packing by professional export packing,safety against breakage, finally into the wooden cases/ carton/pallet or customized package. We have ERP authentication. |
Delivery Details | We can deliver by SEA,air,rail transportation,the China-Europe Railway Express etc. TNT, DHL,UPS, FEDEX, EMS,S.F EXPRESS etc. |

| 1. Sample service | 2. Optimal price | 3. Customized logo |
| 4. Fast feedback | 5. Customized size | 6. Safety package |
| 7. ISO9001 | 8. Aftersale service | 9. Low procurement risk |