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W-shape MoSi2 Heating Element
Oxygen-resistance under high temperature: in oxidizing atmosphere, a layer of compact quartz protective film is formed on the surface of element owing to the high temperature combustion, which prevent MoSi2 from oxidizing more. When the element temperature is higher than 1700 °C, the film becomes melting. Its not suitable for long time use in the temperature range of 400-700°C, otherwise, the element will be powdering for the strong oxidation under low temperature.
W-shape MoSi2 Heating
Element
Oxygen-resistance under high temperature: in oxidizing
atmosphere, a layer of compact quartz protective film is formed
on the surface of element owing to the high temperature
combustion, which prevent MoSi2 from oxidizing
more. When the element temperature is higher than 1700 °C, the
film becomes melting. Its not suitable for long time use in the
temperature range of 400-700°C, otherwise, the element will be
powdering for the strong oxidation under low
temperature.
Material Grade: 1700,
1800
Diameter: D1/D2, mm/mm
Hot Zone Length: Le,
mm
Cold Zone Length: Lu,
mm
Shank Spacing: A, mm
Examples:
W-Shape, Material Grade 1800, D1=6mm, D2=12mm,
Le=300mm, Lu=250mm, A=50mm
Specify as: Songyu SY18, W-Shape, 6/12 x 300 x
250x 50
MoSi2 Heating Element
Advantage
1. High purity
2. High temperature
resistance
3. Energy-saving
4. Chemical stability
5. Long life
6. Easy maintenance
Physical Properties of
MoSi2 Heating
Element
| Physical properties | ||||
| Volume Density | Bend Strength | Porosity Rate | Water Absorption | Hot Extensiblity |
| 5.5-5.6g/cm³ | 15-25kg/ cm2 | 7.4% | 1.2% | 4% |
| Atmosphere | SP1700 | SP1800 |
| Air | 1700 | 1800 |
| N2 Nitrogen | 1600 | 1700 |
| Ar Ne Argon, Helium | 1600 | 1700 |
| Dry Hydrogen (dew point)-80℃ | 1150 | 1150 |
| Wet Hydrogen (dew point)-20℃ | 1450 | 1450 |
| Exogas (e.g. 10% CO2, 50% CO, 15%H2) | 1600 | 1700 |
| Exogas (e.g. 40% CO2, 20% CO) | 1400 | 1450 |
| Cracked and partially burnt ammonia | 1400 |
1450
|
| País: | China |
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