Designation

Model and Standard

GS-10

GS-15

GS-20

GS-25

GS-30

Appearance

Slight milky transparent to translucent liquid

SiO2 (wt%)

10±1%

15±1%

20±1%

25±1%

30.5±1%

Na2O (wt%)

≤0.5%

PH (20°C)

9.5-11.0

Density (20°C, g/cm3)

1.06-1.08

1.08-1.10

1.12-1.14

1.15-1.17

1.19-1.21

Viscosity (20°C, mPa•S)

≤10

Particle size (nm)

8-15

Stability

Two years