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Al2O3 (min.)

88.00%

85.00%

Fe2O3 (max.)

1.60%

1.80%

TiO2 (max.)

3.80%

4.00%

CaO+MgO (max.)

0.50%

0.50%

K2O+Na2O (max.)

0.25%

0.25%

B.D. (min.)

3.4g/ccm

3.3g/ccm

H2O (max.)

2.00%

2.00%