NaSi2.2

NaSi3.3

NaSi3.9

Supplier

Woellner GmbH, Germany

Carl Roth GmbH, Germany

BASF, Germany

Na₂O content in wt%

12.43

8.48

5.98

SiO₂ content in wt%

26.3

27.42

22.76

R_m

2.18

3.33

3.92

pH

12.7

12.2

11.96

Density in g/cm³

1.47

1.36

1.27

Refractive index

1.407

1.390

1.366

Viscosity in mPa×s

65

81

20