Jiangsu Yubei Ceramics Co., Ltd.
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Water Pump Mechanical Seal Ring Black Silicon O Rings High Temperature Sic Rings
Silicon carbide (SiC) is one of the hardest technical ceramics available. Combined with its high thermal conductivity and superb corrosion resistant properties, silicon carbide ceramics are excellent materials for challenging application areas.
Sintered silicon carbide is engineered using non-oxide sintering aids and high-temperature forming process in inert atmospheres.
Reaction bonding is made to infiltrate the green body to form additional sic grains that bond with the primary ceramic. This material is typically used to increase thermal shock resistance.
Technical parameters of SSIC:
| Items | Unit | SSIC |
| Volume density | g/cm3 | ≥3.10 |
| Hardness | HRA | ≥92 |
| Compressive strength | MPa | ≥2200 |
| Flexural strength | MPa | ≥400 |
| Silicon carbide content | % | ≥98 |
| Modulus of elasticity | GPa | 400 |
| Thermal conductivity | W/mK | 100-120 |
| Max working temperature | ℃ | 1600 |
| Coefficient of thermal expansion | 1.10-6m/k | 4.0 |
Technical parameters of RBSIC:
| Items | Unit | RBSIC |
| Volume density | g/cm3 | ≥3.03 |
| Hardness | HRA | ≥90 |
| Compressive strength | MPa | ≥2000 |
| Flexural strength | MPa | ≥350 |
| Free silicon content | % | ≤12 |
| Modulus of elasticity | GPa | 350 |
| Thermal conductivity | W/mK | 50-100 |
| Max working temperature | ℃ | 1100 |