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● Wet molding of short fibers, isotropic three dimensional structure
● Good electrical insulation, excellent usability in induction furnace
● Good thermal insulation
● High purity, low impurity content
● Excellent shock and corrosion resistance
Mainly used for high temperature environment under vacuum or inert gas protection, such as SiC induction furnace/resistance furnace, silicon single crystal/polycrystalline furnace, high temperature sintering furnace, fiber optic rod/drawing tower, thermal engineering high-temperature furnaces, etc., especially suitable for electromagnetic induction furnace.
| Performance Indicators | Units | Vulan Models | ||||
| VU-SHF-SP | VU-SHF-HP | VU-SHF-SV | VU-SHF-HV | |||
| Density | g/cm³ | 0.15-0.17 | 0.15-0.17 | 0.14-0.16 | 0.14-0.16 | |
| Carbon Content | wt | >99.9 | >99.9 | >99.9 | >99.9 | |
| Heat-Treatment Temperature | ℃ | 2200 | 2400 | 2200 | 2400 | |
| Average Thermal Conductivity 1000℃ | W/（m·K） | 0.27 | 0.27 | 0.25 | 0.25 | |
| Coefficient of Thermal Expansion1500℃ | 10-6/℃ | 3.8 | 3.7 | 3.5 | 3.3 | |
| Ash Content | ppm | <200 | <20 | <200 | <20 | |
| Compressive Strength | Mpa | 0.8 | 0.8 | 0.7 | 0.7 | |
| Bending Strength | Mpa | 0.7 | 0.7 | 0.6 | 0.6 | |
| Electrical Resistivity | Ω.m | 1.55*10-3 | 1.33*10-3 | 1.73*10-3 | 1.65*10-3 | |
| Usage Environment | Air | ℃ | 400 | 400 | 400 | 400 |
| Vacuum | 2400 | 2400 | 2400 | 2400 | ||
| Inert Gas | 3200 | 3200 | 3200 | 3200 | ||
