Molybdenum Disilicide Heating Elements

Send Inquiry

Description

What's the Molybdenum disilicide(MoSi2) heating element?

Molybdenum disilicide(MoSi₂) heating element is one resistance heating component made from MoSi₂ or as the basic material. When it's heated to high temperature under the oxidizing atmosphere, one dense MoSi₂ film will be formed on its surface to protect the element against oxidizing further. Therefore, the element has unique anti-oxidation property under high temperature atmosphere. The highest temperature can reach 1800°C, the applicable temperature is between 500-1700°C.

Specification

Product Name	Molybdenum Disilicide Heating Elements
Condition	New	Color	Gray
Place of Origin	Yiwu, Zhejiang	Max. Working Temperature	1800℃
Dimension(LWH)	Customized	Power Source	Electric
Power(W)	All Depends	Model Number	JB1800 Type
Volume Density	5.9±0.1g/CM³	Voltage	All Depends
Type	Air Heater	Shape:	U, W, L and customized

Physical and Chemical Properties

1. Physical Property

Volume Density	Bending Strength	Vickers Hardness	Porosity	Water Absorption	Heating Elongation Rate
5.5g/ cm³	15-25kg/ cm³	(HV) 570kg/ mm³	7.4%	1.2%	4%

2. Chemistry Property

Under high temperature, MoSi₂ Molybdenum disilicide heating element will form one SiO₂ protective film on the surface, which prevents the element from oxidizing continuously. When the element temperature is over 1700 °C, the film becomes melting. It's 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.

3. The Influence of Different Atmospheres

Atmosphere	The Max Using Temperature of Element
Atmosphere	1700 Grade	1800 Grade
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