Product Description

Silicon Carbide Heating ElementDescription

 

Silicon Carbide Heating Element can be installed and replaced while the tin bath is operation. The heaters can be installed through the side-seal, or through the side of the bath roof, and are commonly used to extend campaign lives, where conventional elements in the side zones have been broken, and insufficient power is available.

 

Silicon Carbide Heating Element Advantages

 

High purity raw materials;

High structural density;

Slow aging;

Maximum temperature being up to 1500℃ (2732°F);

Easy to be installed and replaced.

 

Physical property of SIC heating element

specific gravity	2.6~2.8g/cm³	bend strength	>300kg
hardness	>9MOH’S	tensile strength	>150kg/cm³
porosity rate	<30%	radiance	0.85

 

Recommended surface load and Influences to Surfaces of the Elements in Different Operating TemperatureS

atmosphere	Furnace Temperature(°C)	Surface Load(W/cm2)	The influence on the Rod
Ammonia	1290	3.8	The action on SiC produces methane and destroys the protection film of SiO2
Carbon dioxide	1450	3.1	Corrode SiC
Carbon monoxide	1370	3.8	Absorb carbon powder and influence the protection film of SiO2
Halogen	704	3.8	Corrode SiC and destroy the protection film of SiO2
Hydrogen	1290	3.1	The action on SiC produces methane and destroys the protection film of SiO2
Nitrogen	1370	3.1	The action on SiC produces insulating layer of silicon nitride
Sodium	1310	3.8	Corrode SiC
silicon dioxide	1310	3.8	Corrode SiC
Oxygen	1310	3.8	SiC oxidized
Water-vapor	1090-1370	3.1-3.6	The action on SiC produces hydrate of silicon
Hydrocarbon	1370	3.1	Absorb carbon powder resulted in Hot pollution

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