Main Characteristics :
Maximum service temperature is 1,450°C, and especially suitable at the long time firing beween 1,200~1,450°C range. N-SiC is made by SiC bonded by Silicon Nitride (Si3N4) chemically stable, suitable to apply firing products need to avoid oxidation reaction.
It is a class higher SiC refractory compare to Oxide Bonded SiC, in terms of oxidation resistance, thermal shock resistance and strength. Used as plate, beam and for refractory for molten aluminum etc
Chemical Composition | Index | Physical Properties | Index |
SiC | >70% | Apparent Porosity | <16% |
Si3N4 | >20% | Bulk Density(g/cm3) | 2.75 |
Fe2O3 | <0.3% | Compressive Strength at RT (Mpa) | >180 |
Modulus of Rupture (Mpa) at 1400℃ | >55 | ||
Thermal Conductivity (w/m.k) at 1000℃ | 17.8 | ||
Thermal Expansion at 1000℃ | 4.5% |