Sio2 85% min H2O 2% max LOI 3% max Specific surface Area(B.E.T) : 15,000-22,000sqm/kg Pozz. Activity :110% min Bulk density : 550-700kgs/m3 The high Pozz. activity is easy reactive with cement . when added to cement will greatly improve cement performance. globalsources.com/everwintiles.co Packing : 900-1000kgs/jumboo bag