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Types of silicon carbide seal ring | ||
1. Recrystallized silicon carbide (RSIC) --- max temperature 1650℃ | 10~150mm | |
2. Reaction sintered silicon carbide (SiSiC / RBSiC) --- max temperature 1380℃ | 2500mm | |
3. Pressureless sintered silicon carbide (SSiC) --- max temperature 1600℃ | ||

Application and use

Silicon carbide seal ring | ||||||
Item | Unit | SiSiC | SSiC | |||
Bulk density | (g/cm3) | ≥3.03 | 3.10--3.15 | |||
Hardness | HRA | 91--93 | 92--94 | |||
Compressive strength | Mpa | ≥2000 | ≥2200 | |||
Bending strength | Mpa | ≥350 | ≥400 | |||
Modulus of elasticity | GPa | 350 | 400 | |||
Thermal conductivity | W/m.k (20 ℃) | 50~110 | 120--150 | |||
Thermal expansion | 10 -6.1/℃ | 4 | 4 | |||
Maximum service temperature | ℃ | 1300 | 1600 | |||



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