Al2O3 (min.)

95.00%

94.00%

93.00%

SiO2 (max.)

1.50%

1.50%

1.50%

Fe2O3 (max.)

0.50%

0.50%

0.50%

TiO2 (max.)

3.20%

3.20%

3.20%

K2O+Na2O (max.)

0.25%

0.25%

0.25%

CaO+MgO (max.)

0.60%

0.60%

0.60%

Magnetic Material (max.)

100ppm

100ppm

100ppm

LOI @1050℃ (max.)

0.25%

0.25%

0.25%

B.D. (min.)

3.8g/ccm

3.8g/ccm

3.8g/ccm

H2O (max.)

0.50%

0.50%

0.50%