Al₂O₃

Fe₂O₃

SiO₂

TiO₂

CaO+MgO

B.D.

95%min

0.3%max

1.2%max

3%max

0.7%max

3.85g/ccm  min

95%min

0.3%max

1.5%max

3%max

1.0%max

3.85g/ccm  min

Al₂O₃

Fe₂O₃

SiO₂

Na₂O

B.D.

97%min

0.3%max

0.8%max

0.35%max

3.80g/ccm  min