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Silicon Nitride Heater Protection Tube


Overview:

SG-28 Silicon Nitride Ceramic has become the preferred material for protection tube of electric heater in aluminum processing industry due to its excellent high temperature performance and corrosion resistance.


keyword:

Aluminum titanate ceramics, silicon carbide ceramics


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details


• Due to its high temperature strength and strong thermal shock resistance, Silicon Nitride Ceramic can withstand the heat load of a high temperature burner, and the  corrosion of molten aluminum for a long time, and the service life is more than one year;

• Silicon Nitride Ceramics almost do not react with the aluminum liquid, so it will not pollute the aluminum liquid, which is conductive to improve the purity of aluminum liquid under high temperature.

• Compared with the traditional upper radiation heating method, the energy-saving efficiency is more than 30% - 50%, and the overheated oxidation of the upper molten aluminum can be reduced by 90%.

Precautions for Use

• For safety, Silicon Nitride Heater Protection Tube should be dried and preheated above 400℃ before use.

• When the electric heater is used for the first time, it shall be heated slowly according to the heating curve.

• In order to prolong the service life of the product, it is recommended to clean and maintain the surface regularly (once every 7-10 days).

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