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MoSi2 kiln brick
Property of MoSi2 heating element :
Property of high temperature high oxygenation:when high temperature high oxygenation,pne layer of compact SiO2 will be made on the surface of the elements to prevent continuous oxygenation of MoSi2 When the temperature of element >1700°C,the protective layer of SiO2 of which the melting point is 1710°C is melting,because of surface tension,SiO2 gather one drop,but losing effect of protection.At the atmosphere of oxygenation,the element is used continuously,the protective layer of SiO2 can be produced over again.
But please note that MoSi2 heating element can not be suitable to be used for long time at the range of 400-700°C.Otherwise, the element can be pulverization because of strong oxygenation at low temperature.
The influence on operating temperature of element in a different atmosphere.
| Volume density | Bending Strength | Vickers hardness | Apparent Porosity | Water absorption |
| 5.5~5.6g/cm3 | 15~25kg/cm2 | (HV)570kg/mm2 | 7.40% | 1.20% |
| The influence on operating temperature of element in a different atmosphere. | ||||
| Volume density | Bending Strength | Vickers hardness | Apparent Porosity | Water absorption |
| 5.5~5.6g/cm3 | 15~25kg/cm2 | (HV)570kg/mm2 | 7.40% | 1.20% |
| Atmosphere | Tiptop applying temperature of element | |||
| 1700 type | 1800 type | |||
| Air | 1700°C | 1800°C | ||
| Nitrogen gas | 1600°C | 1700°C | ||
| Aargon gas helium gas | 1600°C | 1700°C | ||
| Helium gas | 1100~1450°C | 1100~1450°C | ||
| 95% N 2/5% H2 | 1250~1600°C | 1250~1600°C | ||
| Application | Mainly used in industrial hot disposal furnace,sintering furnace,foundry furnace,glass melting furnace,smelting furnace | Mainly used in experimental furnace,testing equipmentand high temperature sintering furnace. | ||
MoSi2 kiln brick
