Silicon Nitride - Si3N4 Latest Price,
Silicon Nitride Ball; 6.35mm Silicon Nitride Ceramic Ball; And Larger Specific Surface Area; 2. Silicon Nitride Powder The Hardness Of This Product Is About 9 To 9.5; And Low Coefficient Of Sliding Friction Make Nano Si3n4 Good Material For Ceramic Composite Plating On Metal Surface.
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