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Help Center2016 Hot Sale High Temperature Super Mosi2 Heating Elements
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STA MoSi2 furnace heating elements
1.The description of MoSi2 heating elements:
MoSi2 heaters are resistive heating elements based on molybdenum disilicide. The molybdenum disilicide heating elements prevents the inner core from oxidation by forming a compact quartz glass coating at the surface under high temperature. The temperature generated by MoSi2 goes as high as 1700~1800°C in oxidation atmosphere.
They can be widely used in such applications as sintering and heat treatment on electronic ceramics, structural ceramics, magnetic materials, flameproof materials, glass, metallurgy, etc. The resistance of the heating elements is independent on their mission time. The MoSi2 heating elements hardly age, which allows the mixed use of new and old packages.
2. Physical and Chemical Properties of Mosi2 heaters:
1) Physical property
Volume density |
5.5~5.6kg/cm3 |
Bend strength |
515~25kg/cm2 |
Vickers-hardness |
(HV)570kg/mm2 |
Porosity rate |
7.4% |
Water absorption |
1.2% |
Hot extensibility |
4% |
2)Recommend Surface load
Furnace Temp (C ) |
1400 |
1500 |
1600 |
1650 |
1700 |
Surface load of hot zone(w/cm2) |
<18 |
<15 |
<12 |
<10 |
<8 |
3)Chemistry property
MoSi2 heating element is used in the high temperature under oxidizing atmosphere. It will form the SiO2 film which can keep the element from being melted. When the temperature of element is more than 1700°C,the MoSi2 heating element must not be used in the temperature between 400°C and 700°C for a long time; otherwise the element will be cremated under the strong oxidizing function in the low temperature.
3.Standard sizes:
M1700 type (d/c): dia3/6, dia4/9, dia6/12, dia9/18, dia12/24
M1800 type (d/c): dia3/6, dia4/9, dia6/12, dia9/18, dia12/24
1700°C Grade |
1800°C Grade |
|||||||||
d/c (mm) |
3/6 |
4/9 |
6/12 |
9/18 |
12/24 |
3/6 |
4/9 |
6/12 |
9/18 |
12/24 |
Le Max(mm) |
350 |
450 |
1400 |
1400 |
1700 |
350 |
450 |
1400 |
1400 |
1700 |
Lu Max(mm) |
300 |
450 |
1000 |
1000 |
1000 |
300 |
450 |
1000 |
1000 |
1000 |
a (mm) |
25 |
25 |
40/50 |
60 |
80 |
25 |
25 |
40/50 |
60 |
80 |
Nonstandard shape & size could be made according to your requirement. | ||||||||||
4.order sample:
d=6mm, c=12mm, Le=200mm, Lu=180mm, a=30mm
Please specify as: dia6/12x200x180x30mm (dia d/cxLexLuxa mm)
d = the diameter of hot zone
c = the diameter of cold zone
Le = the length of hot zone
Lu = the length of cold zone
A= Shank Spacing
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