High Temperature U Type Molybdenum Disilicide Mosi2 Heater Element for Kiln Mosi2 Rod

Product Description

Product Description

Molybdenum disilicide(MoSi2) heating element/heater:
Mosi heating element is a kind of resistance heating element basically made of pure molybdenum Disilicide. In oxidizing atmosphere, a layer of compact quartz protective film is formed on the surface of Mosi 2 element owing to the high temperature combustion, which prevents Mosi 2 from continuously oxidizing.

In oxidizing atmosphere, its Max temperature can reach 1800 c and its applicable temperature is 500-1700. It can be widely used in such applications as sintering and heat treatment of ceramics, magnet, glass, metallurgy, refractory etc. the commercial name of our Mosi 2 heating element is KERONE Mosi 2 Heating Element.

Product Parameters

Molybdenum disilicide(MoSi2) heating element/heater:

1. According to temperature: 1700C  1800C   1900C
2. According to Shape: U, W, I, U type L shape, W type L shape, Spiral types.

Molybdenum disilicide(MoSi2) heating element/heater standard size
M1700 type (D1/D2): dia3/6, dia4/9, dia6/12, dia9/18, dia12/24
M1800 type (D1/D2): dia3/6, dia4/9, dia6/12, dia9/18, dia12/24
M1900 type (D1/D2): dia3/6, dia4/9, dia6/12, dia9/18, dia12/24
 
Chemistry Character
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. During the oxidizing process, the SiO2 protecting film is formed again when the element continues to be used. The MoSi2 heating element must not be used in the temperature between 400C and 700C for a long time, otherwise the element will be cremated under the strong oxidizing function in the low temperature.

Physics characters of Molybdenum disilicide(MoSi2) heating element/heater:

Bulk density	Bending strength	Hardness	Apparent porosity	Drawing water rate	Thermal elongation
5.5~5.8g/cm3	20MPa(20ºC)	(hv)570kg/mm²	0.5~2.0%	0.5~2.0%	4%

Recommend surface load:

Furnace Temp(°c)	1400	1500	1600	1650	1700
Surface load of hot zone(W/cm²)	<18	<15	<12	<10	<8

The influence of operation temperature on the heater surface in a different atmosphere:

Atmosphere	The Maximum Using Temperature of Elements
	1700	1800
No2 ,Co2 ,O2 ,Air	1700°C	1800°C
He ,Ar ,Ne	1650°C	1750°C
So2	1600°C	1700°C
CO ,H2	1500°C	1600°C
Wet H2	1400°C	1500°C
Dry H2	1350°C	1450°C

 

 

How to order

When you place order, plz inform us below data:

Material Grade: 1700C / 1800C / 1900C

Diameter: D1/D2, mm

Hot zone length: Le, mm

Cold zone length: Lu, mm

Shank Space: A, mm

Order Sample: diaD1/D2 x Le x Lu x A

Detailed Photos

Installation Instructions

1800 U Shape 4/9 Electric furnace lab industry factory low price resistance long use life high quality heater Molybdenum Disilicide Rod Mosi2 Heating Element

The radiation coefficient of silicon molybdenum rods is slightly softened at high temperatures (above 1500 degrees), and hard and brittle at low temperatures. In order to avoid stress during temperature changes and facilitate the thermal expansion and contraction of components, it is best to use a free vertical hanging installation method. The dismantling and replacement of lifting components is also relatively convenient, without waiting for the furnace to cool down, and can be heat exchanged.
When hanging silicon molybdenum rods, the following precautions must be taken:
1. The furnace lining material should use corundum bricks, and the mass fraction of Fe2O3 should be less than 1%, because it interacts with the protective film to form a molten silicate, thereby accelerating the damage of the components.
2. The hot furnace gas leaked from the cold end not only increases the heat loss of the furnace, but also may burn out the conductive tape clamps and lead clamps. Therefore, it is best to use asbestos clamps.
3. As silicon molybdenum rods are brittle materials with low bending strength and cannot withstand impact, protective measures should be taken during installation to prevent breakage. When connecting the conductive tape, the asbestos clamp (or ceramic clamp) must be installed first, and excessive force should not be applied when clamping.
4. Install the silicon molybdenum rod into the plug brick. In order to avoid the mechanical stress caused by loading and unloading movement, the plug brick shall be a separate brick made of foam corundum brick.

Packaging & Shipping

 

Our Advantages

1. We provide special designed Molybdenum Disilicide (MoSi2) heating element according to customer needs, enabling an optimized element design for each particular application.  

2. Delivery time: 7days after receipt deposit.

3. Package: Synthetic Wooden Box with Cardboard Box and sponge
    We also received OEM service; the package can be designed according to your requirements.
 

Our Service

1. Timely response, 
Timely response to your inquiry, multiple choice recommendations based on your demand, quickly respond mails and provide solutions.
 
2. Sample evaluation
Sample and trial order is accepted for the quality evaluation.
 
3. Strict quality control
Arrange production on time and control quality strictly.
 
4. Shorter delivery time.
Book the earliest vessel or plane to guarantee the delivery time.
 
5. Professional Services
Provide all the detailed news and pictures from order to delivery;
Offer relative export documents and original certificate if needed;
Warm and considerable after-sale service 

We also received OEM service; the package can be designed according to your requirements.
Shipping: By vessel or by plane from any Chinese port, Samples can be delivered by International express.