Table 3. Density profile of ceramics according to the rate of resin impregnation

Rate of resin impregnation (%)	Dave (kg/m3)	Dmin (kg/m3)	Dmax (kg/m3)	Dmin/Dave (%)
40	645	511	916	79.4
50	819	679	1,047	83.0
60	755	639	1,006	84.7
70	838	738	1,010	88.1

D_ave: average of density, D_min: minimum of density, D_max: maximum of density, D_min/D_ave: minimum of density to average of density ratio.