... is made of a select grade and high-purity silicon carbide powder and Si powder,formed by slip casting,reacted and ... in kilns,Sanitaryware,Al2O3,Special Ceramic,Electronic Industry.N-SiC-Technical Data SheetPropertiesUnitsN-SICSIC CompositionVol%≥76Si3N4 CompositionVol%≥23Free Si CompositionVol%0Densityg/cm32 ... +/- 1.0mmLength Tolerance +/- 2.0mm Crack None Cripping None Silicon Carbide Beams