We offer a range of silicon carbide materials, including reaction sintered SiC (SiSiC), silicon nitride bonded silicon carbide (NSiC), recrystallized silicon carbide (RSiC), and pressureless sintered SiC silicon carbide (SSiC).
We also manufacture customized SiC components according to your drawings, offering tailored shapes, dimensions, and machining to meet your application requirements.
| Items |
SiSiC (Reaction Sintered SiC) |
NSiC (Si3N4 Bonded SiC) |
RSiC (Recrystallized SiC) |
SSiC (Pressureless Sintered SiC) |
| SiC Content(%) | >80~92 | 70~75 | >99 | ≥98~99.5 |
| Bulk Density (g/cm³) | 3.02~3.10 | 2.75~2.82 | 2.60~2.74 | 3.10~3.20 |
| Porosity (%) | ≤0.10~0.20 | 10~12 | ≤17 | <0.1~0.5 |
| Compression Strength (MPa) | 2200~2800 | 600~700 | 500~700 | 2600~4200 |
| Bending Strength (MPa) | 250~350 | 160~250 | 90~120 | 350~450(20℃) |
| Elastic Modulus (GPa) | 330~370 | 220~260 | 280 | 380~430 |
| Hardness | HRA 90～92 | 9(Mohs.) | 9.5(Mohs.) | HRA 92~95 |
| Thermal Conductivity (W/m·K) | 45~120 | 23 | 23 | 100~170 |
| Thermal Expansion (20~1000℃), 10⁻⁶/K | 4.5 | 4 | 4.8 | 4.0~4.8 |
| Max Working Temperature (℃) | 1380 | 1500 | 1650 | 1600~1650 |
| Chemical Resistance | Acid/alkali resistant (excl. HF & hot conc. alkalis) | limited resistance to strong alkalis and oxidizer | limited resistance to strong alkalis and certain oxidizing media | Acid/alkali resistant (excl. HF) |
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