






Al2O3 Content (%)
32 to 36%
CaO Content (%)
0.1% to 1.0%
Fe2O3 Content (%)
<2.5%
K2O Content (%)
9 to 11%
MgO Content (%)
0.1% to 2.0%
SiO2 Content (%)
46 to 49%
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