Black Silicon Carbide Ceramic Mechanical Seal Rings with 540 MPa Flexural Strength and 22 GPa Hardness
Black silicon carbide ceramic mechanical seal rings offer exceptional performance in demanding industrial applications with high intensity, superior hardness, and excellent chemical erosion resistance.
- Extended service life for superior cost-efficiency compared to metal seals
- Exceptional performance in radioactive, corrosive, toxic, flammable, and explosive environments
- Reliable operation at high temperatures up to 400°C thermal shock resistance
- Ideal for oil, chemical pumps, and rotary machinery applications
| Property Category | Property | Unit | Value |
|---|---|---|---|
| General Properties | Bulk Density | g/cm³ | 3.2 |
| Color | - | Black | |
| Water Absorption | % | 0 | |
| Mechanical Properties | Flexural Strength | MPa | 540 |
| Elastic Modulus | GPa | 430 | |
| Vickers Hardness | GPa | 22 | |
| Fracture Toughness | MPa·m¹/² | 4-5 | |
| Thermal Properties | Thermal Conductivity (20°C) | W/m·K | 60 |
| Thermal Shock Resistance | °C | 400 | |
| Coefficient of Thermal Expansion | 10⁻⁶/°C | 3.7 | |
| Electrical Properties | Volume Resistivity (20°C) | Ω·cm | 10⁵ |
| Volume Resistivity (300°C) | Ω·cm | 10⁴ | |
| Volume Resistivity (500°C) | Ω·cm | 10³ |
Our company specializes in advanced ceramic manufacturing including alumina, silicon nitride, zirconia, steatite, boron nitride, cordierite, and mullite products. We serve diverse industries including metal welding, electronics, mechanics, assembly, insulation, chemicals, instrumentation, textiles, nuclear industry, and aerospace.
- Trial production: 15 days (based on drawings or samples)
- Mass production: 30 days with 100% inspection
We maintain partnerships with major international clients including Toshiba Lighting Group in Japan and Europe, ensuring high-quality products with quick delivery times.
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