SiO₂

Al₂O₃

CaO

MgO

Na₂O

K₂O

Fe₂O₃

H₂SO₄

S_BET

KSF

53.2

18.8

2.9

2.8

-

-

5.1

6

-

K10

73

14

0.2

1.1

0.6

1.9

2.7

-

250