Whiteness:80-85; Dry strength:15kgf/cm2; Particle size:Granular; Density:2.6-2.8g/cm3; Loss on ignition (LOI):＜0.5%; Shrinkage ratio:10%-11%; Moisture:15%-20%; Appearance:White; Coefficient of water absorption:0.1%-0.3%; Oil absorption:40-45;

Al₂O₃:37%-38%; CaO:0.01%-0.03%; CaO+MgO:＜0.4%; Fe₂O₃:≤0.1%; Fe₂O₃+TiO₂:＜1.0%; K₂O:0.01%-0.1%; K₂O+Na₂O:＜4.0%; MgO:0.01%-0.05%; Na₂O:0.01%-0.05%; SiO₂:43%-45%; TiO₂:0.01%-0.1%; IL:≤0.1%; Moisture:10%-15%; PH:4~6; Loss on ignition (LOI):＜0.3%;