W-type Molybdenum Disilicide Heating Rods Description
The W-type Molybdenum Disilicide Heating Elements are known for their longevity and reliability at a high temperature. The W-type heating rod is generally placed horizontally. Due to the more heat-generating end, its heating efficiency is higher and cost-effective than other heating elements. This heating element consists of 2 cold ends (Lu), 3 or more U-shaped hot zone (Le). In usually, the Lu has a twice diameter of Le.
MoSi2 Heating Elements are manufactured by powder metallurgy. They consist of molybdenum disilicide and additives to prevent recrystallization. Because MoSi2 is completely stable at 1800ºC (3270 ° F), it has a higher temperature performance than other types of heating elements. The resistance of the MoSi2 element to oxidation lies in the formation of impermeable quartz or glass-like protective layer, which will be re-formed upon heating if it is damaged during operation.
MoSi2 devices have low resistivity and have positive resistance-temperature characteristics. Compared to metal heating elements, it can be used under very high watt loads. Due to its high-temperature oxidation resistance, MoSi2 resistors remain constant at a constant temperature throughout their useful life. Even in series, new and old components can be used simultaneously in the same furnace.

W-type Molybdenum Disilicide Heating Rods Specification

Hot zone/cold end diameter: 3/6, 4/9, 5/10, 6/12, 7/14, 9/18 or 12/24
A: center distance between legs
Lu: cold end length
Le: hot zone length
SIZES AVAILABLE
|
Size
|
Hot
|
Cold
|
Standard
|
Zone
|
End
|
"A"
|
Le Ø
|
Lu Ø
|
Distance
|
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
3/6
|
3
|
0.12
|
6
|
0.24
|
25
|
0.98
|
4/8
|
4
|
0.16
|
9
|
0.35
|
25
|
0.98
|
6/12
|
6
|
0.24
|
12
|
0.47
|
50
|
1.97
|
9/18
|
9
|
0.35
|
18
|
0.71
|
60
|
2.36
|
12/24
|
12
|
0.47
|
24
|
0.94
|
80
|
3.15
|
All diameters are available in the following grades:
|
MU1766 -1700 - maximum element temperature 1700ºC (3090ºF)
|
MU1766 -1800 - maximum element temperature 1800ºC (3270º)
|
W-type Molybdenum Disilicide Heating Rods Application
W-type Molybdenum Disilicide Heating Rods can be used for temperatures up to 1800 °C, in electric furnaces used in laboratory and production environments in the production of glass, steel, electronics, ceramics, and in heat treatment of materials.
W-type Molybdenum Disilicide Heating Rods Packing
Our W-type Molybdenum Disilicide Heating Rod is wrapped in foam and packaged in plywood cases to ensure safe storage and transportation.
FAQs
Q1: What are W-type Molybdenum Disilicide Heating Rods?
W-type Molybdenum Disilicide (MoSi₂) Heating Rods are high-temperature heating elements made from molybdenum disilicide, designed in a "W" shape (often referring to the physical configuration of the rod). These rods are commonly used for applications that require stable, high-temperature heating, such as furnaces and kilns, offering superior thermal performance.
Q2: What are the key properties of W-type Molybdenum Disilicide Heating Rods?
- High Temperature Resistance: Can withstand extremely high temperatures, up to 1800°C (3272°F), ideal for demanding industrial applications.
- Efficient Heat Distribution: The "W" shape helps provide uniform heating by optimizing the surface area exposed to heat.
- Oxidation Resistance: Forms a protective oxide layer when heated, which helps protect the material from oxidation even in harsh environments.
Q3: What are the applications of W-type Molybdenum Disilicide Heating Rods?
- High-Temperature Furnaces: Used in industrial furnaces for heat treatment of metals and ceramics, where high temperature stability is critical.
- Ceramic Kilns: Used for firing and sintering ceramics, as the W-shape allows for better fit and heat distribution in specific kiln designs.
- Glass Manufacturing: Ideal for use in glass melting furnaces and other glass production processes due to its high-temperature capabilities.
- Semiconductor Industry: Applied in processes like semiconductor wafer annealing, where precision heating is required.