| Feature: | Good Acid Resistance, High Refractoriness, Low Thermal Conductivity, Thermal Shock Resistance, Volume Stability |
|---|---|
| Production Process: | Vibration Molding |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
|
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| Chemical Index | Silicon Carbide Pipe |
| Bulk density(g/cm3) | Porosity (%) |
| Porosity (%) | <0.1 |
| Bending strength(MPa) | 250(20ºC) |
| 280(1200ºC) | |
| Thermal conductivity(W/MK) | 45(1200ºC) |
| Thermal expansion(20-1000ºC) 10-6k-1 | 4.5 |
| Max. working temperature(ºC) | 1380 |
| PH Resistance | EXCELLENT |
| Moh's scale of thermal expansion | 13 |
1, Moulding: Cold isostatic pressing(CIP)
2, Sintering: GPSN/RSSN
3, High strength and good compactness
4, Low thermal expansion coefficient
5, Excellent thermal shock resistance
6, No wetting by molten aluminum and non-ferrous metal
7, Good corrosion resistance
| Item | Unit | SiC | SSiC |
| Purity | % | ≥90 | ≥98 |
| Density | g/cm3 | 3.05 | 3.1 |
| Shore Hardness | HS | 110-125 | 120-130 |
| Elastic Modulus | Mpa | 4.12×105 | 4.10×105 |
| Poisson's Ratio | - | 0.15 | 0.16 |
| Tensile Strength | Mpa | 2.75×102 | 2.8×102 |
| Bending Strength | Mpa | 4.41×102 | 4.9×102 |
| Compression Strength | Mpa | 2.94×102 | 3.0×102 |
| Thermal Conductivity | W/m.k | 141 | 147 |
| Coefficient of Thermal Expansion | 1/ °C | 4.3×10-6 | 4.0×10-6 |
| Heat Resistance | - | 1600°C | 1650°C |
| Acid Resistance | - | 5 times higher than the usual TC | Resist al chemical media |
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