Furnace W shape MoSi2 heating elements
Oxygen-resistance under high temperature: In oxidizing atmosphere, on the surface of element owing to the high-temperature combustion a layer of compact quartz (SiO2) protective film is formed to prevent MoSi2 from continuously oxidizing. When the element temperature is higher than 1700°C, the SiO2 protective film, whose fusing point is 1710°C, is fused, and the SiO2is fused into molten drops owing to the action of its surface extension, so that loses its protective ability. In the oxidizing atmosphere, when the element is continuously used, again the protective film forms.
It should be pointed out that element cannot be used for rather long time in 400-700°C, otherwise it will be powdered owing to the strong oxidizing action in low temperature.
Molybdenum Disilicide Heating Element/MoSi2 heating element is our main product.
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