Specification
Limits / Percentage
Silica As Sio2
92-95%
Iron oxide As fe2o3
0.5–2%
Aluminum oxide As Al2o3
Max 2.0%
Magnesium oxide As Mgo
Max 1.0%
Calcium oxide As Cao
Max 0.50%
Alklis ( Potassium oxide As k2o , Sodium oxide As Na2o )
1-2%
Carbon As C
1-2 %
Moisture As H2O
Max 1.00%
Loss ignition at 1000 c
Max 2.0%
Bulk density
260-400 kg/m3
Screen analysis Over 50 micron
1.0 %
Color ( Whitish grey )