MINERALS IN FOR GLASS INDUSTRIES:

SPECIFICATION OF POTAS FELDSPAR :

SiO2 60 to 65 %
Al2O3 15 to 20 %
Na2O+K2 10 to 15 %
CaO+MgO 0.1 to 1.0 %
Fe2O3 0.05%
TiO2 -
LOI 0.1 tp 1.0

SPECIFICATION OF SILICA - SAND:

Fe2O3 < 00.20 %
SiO2 < 95.00 %
CI < 00.05 %
Cao < 05.00 %
Mgo < 01.00 %
K2O < 01.00 %
Na20 < 00.50 %
So3 < 02.00 %
Cr203 < 00.005 %
Mn 203 < 00.02 %
Tio 2 < 01.00 %
Size < 01.00 mm.
Moisture Strictly 31 Max
L.O.I

01.00 %