Silicon nitride powder as refractory additive
Product Description
Silicon Ntride ( Si3N4) is a kind of important structural ceramic which has the characteristics of high hardness, self-lubrication and abrasion resistance. It is atom crystal and doesn’t arise reaction to other inorganic acids except hydrofluoric acid. Silicon Nitride is well resistant to corrosion and oxidation under high temperature. It also can excellently resist the thermal shock and will not be cracked after the sudden rising and falling of temperature when silicon nitride was heated to above 1000℃ in the air.
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