Grades

Al₂O₃%

SiO₂%

Fe₂O₃%

Na₂O%

L.O.I

First Grade (A)

≥98.6

≤0.02

≤0.03

≤0.55

≤0.8

Second Grade (B)

≥98.5

≤0.04

≤0.04

≤0.60

≤0.8

Third Grade (C)

≥98.4

≤0.06

≤0.04

≤0.65

≤0.8

 α--%content

K+r %

 Sp. gr

 Bulk density

 Angle of repose

Spec. surface area

30

55

3.65

0.97

38º

32 m²/g