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ASTM B387 Molybdenum Heat Shields For High Temp Furnace
Molybdenum Heat Shields can be used in air and various gas
environments. The working temperature of the MoSi2 heating
element is 1300C to 1800C. It has the characteristics of
high-temperature resistance, oxidation resistance, corrosion
resistance, heating fast, long service life, high-temperature low
distortion, easy installation and maintenance, excellent chemical
stability
Introduction
The molybdenum heater and Tungsten heater are used as heat insulation components, which play an essential role in heat insulation and reflection in the sapphire growth furnace, tungsten, and molybdenum materials are the best choice for the high-temperature furnace heating elements as their High-density, high-temperature strength, accurate measurement, smooth surface, convenient assembly, and reasonable design of heat components are of great significance for improving the crystal pulling performance.
We suggest that the operating temperature of the heater is not more than 2,000℃
and the operating temperature of the Tungsten heating chamber is not more than 2,800℃
Customized Furnace Heat Chamber Parts Molybdenum Heater Parameters
| Chamber size( W*H*Dmm) |
| 100*100*100mm |
| 120*120*130mm |
| 150*150*150mm |
| 200*200*200mm |
| 200*200*300mm |
| 250*250*300mm |
| 300*300*400mm |
| 600*600*600mm |
| We accept customized Molybdenum heaters and other parts according to your specific requirements or drawings. |
| Atomic number | 42 |
| CAS number | 7439-98-7 |
| Atomic mass | 95.94 [g/mol] |
| Melting point | 2620 °C |
| Boiling point | 4639 °C |
| Density at 20 °C | 10.22 [g/cm³] |
| Crystal structure | Body-centered cubic |
| Coefficient of linear thermal expansion at 20 °C | 5.2 × 10-6 [m/(mK)] |
| Thermal conductivity at 20 °C | 142 [W/(mK)] |
| Specific heat at 20 °C | 0.25 [J/(gK)] |
| Electrical conductivity at 20 °C | 17.9 × 106 [S/m] |
| Specific electrical resistance at 20 °C | 0.056 [(Ωmm2)/m] |
Application
1. Molybdenum heat shields are used in high-temperature and sapphire growth furnaces due to their ability to withstand high temperatures and corrosion.
2. Heat parts have high density, precise measurement, and smooth surfaces, making them excellent for improving crystal pulling.
3. Heaters are made of Molybdenum, Tungsten, and its alloy materials, which is widely used in high-temperature furnace, vacuum furnace of ceramic, metallurgy, electronics, glass, and refractory materials industries.
