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Melting Point Of Magnesia Brick
Date:2016-01-26 11:09 From:Zhengzhou Sunrise Refractory Author:admin
Melting temperatures (melting points) specify the ability of materials to withstand high temperatures without chemical change and physical destruction. The melting point of few elements that constitute refractory composition in the pure state varies from 3100°– 6300°F as indicated in the table below:
MELTING POINT CHART OF PURE COMPOUNDS
MELTING POINT CHART OF PURE COMPOUNDS
| REFRACTORY ELEMENT | MELTING TEMPERATURES (°F) |
| Graphite C Pure | 6300 °F |
| Thoria, ThO2 Pure Sintered | 5430 °F |
| Magnesia, MgO, Pure Sintered | 5070 °F |
| Zirconia, ZrO2 , Pure Sintered | 4890 °F |
| Lime, CaO | 4660 °F |
| Beryllia, BeO, Pure Sintered | 4620 °F |
| Silicon Carbide, SiC, Pure | 4080 °F |
| Magnesia, 90-95% | 3980 °F |
| Chromite, FeO-Cr2O3 | 3960 °F |
| Chromium Oxide | 3880 °F |
| Alumina, Al2O3, Pure Sintered | 3720 °F |
| Chromite, 38%, Cr2O3 | 3580 °F |
| Alumina Fused Bauxite | 3400 °F |
| Silicon Carbide, 80-90% | 3400 °F |
| Fireclay | 3400 °F |
| Titania, TiO2 | 3360 °F |
| Kaolin, Al2O3 -, SiO2 | 3300 °F |
| Silica, SiO2 | 3120 °F |
The melting point serves as a sufficient basis for considering the thermal stability of refractory mixtures and is an important characteristic indicating the maximum temperature of use.
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