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.
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% |
Indicators in Different Atmospheres
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 |
