ITEM NO.

AL2O3

Fe2O3

SiO2

MgO

CaO

K2O

Na2O

TiO2

L.O.I.

M.O.R (mpa)

B92

35.46%

0.27%

48.06%

0.68%

0.25%

0.11%

0.15%

0.02%

14.98%

10-11

B921

35.23%

0.28%

42.10%

0.09%

0.08%

0.11%

0.10%

0.60%

21.29%

GTB88

31.95%

0.45%

54.09%

0.27%

0.11%

0.88%

0.37%

0.10%

11.56%

4.0