Composition

Hectorite

Bentonite

SiO₂

46.66%

61.46%

Al₂O₃

0.86%

22.05%

TiO₂

0.04%

0.09%

Fe₂O₃

0.32%

4.37%

MgO

22.05%

2.94%

CaO

1.18%

14.01%

Na₂O

1.35%

1.47%

K₂O

0.14%

0.20%

LOI: 550˚C - 1000˚C

5.15%

15.47%