Color:white, H2O:1, Pseudo-density:0.40g/cm3, Loss by calcine:1, PH:9-11, Sio2:85, Al2O3:5, Fe2O3:1.8, Permeability:1.5-3.5, Wet density:0.35g/cm3, +150 mesh seive residue:1-6%, +320 mesh seive residue:18-25%