Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
Beijing Zhongxing Shiqiang Ceramic Bearing Co.,Ltd
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Silicon Carbide or Zirconia Step Sleeve With Customized Size:
Performance advantages of SSiC and ZrO2:
1. Our silicon carbide products are made of highly purified, sub-micron silicon carbide material. The atmospheric pressure solid phase sintering method at a high temperature of 2250°C are used to produce SSiC (Sintering SiC), so the free silicon and free carbon in the products are close to the theoretical values.
2. Our zirconia products are made by highly purified, sub-micron and after Y2O3-TZP stabled zirconia powder material, are processed by AP (Atmospheric Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology.
| ►Key properties of pressureless sintered silicon carbide |
| ♦ Max Temperature up to 1650℃ |
| ♦ Low density:3.15-3.18 g/cm3 |
| ♦ High strength |
| ♦ Low thermal expansion : 4.0 (10-6/℃) |
| ♦ High thermal conductivity:120 W/m°K |
| ♦ High hardness:2800 HV5 |
| ♦ High elastic modulus: 410GPa |
| ♦ Superior chemical stability,resistance to acid and alkali corrosion (incld. hydrofluoric acid) |
| ►Key properties of zirconia |
| ♦ Max Temperature up to 380℃ |
| ♦ High density: 6.09 g/cm3 |
| ♦ Low thermal conductivity |
| ♦ Chemical stability, resistance to acid and alkali corrosion |
| ♦ High fracture toughness KIC:8-11 MPa-m1/2 |
| ♦ Good electric insulation |
| ♦ Better bearing capacity |
| ♦ Wear resistance |
| ♦ High hardness : 1300 HV5 |
Why choose us:
Because of the excellent properties of silicon carbide and zirconia material, especially their good corrosion resistance, the ceramic step sleeves are widely used in the chemical industries. Our company has abundant experiences in production of ceramic step sleeves and our material recipe advantage. Welcome your inquiry.
