SPECIFICATION OF SILICA - SAND:

Fe203 0.2% or Less Sio2 95.0% or Less CI 05% or Less Cao 5.0% or Less Mgo 1.0% or Less K2o 1.0% or Less Na20 0.5% or Less So3 2.0% or Less Cr203 0.005% or Less Mn 203 0.02% or Less Tio 2 2 1.0% or Less Size 1.0 Mm or Less Moisture Strictly 31 Max L.O.I 1.00%