Item

Model and Standard

CS-20

CS-25

CS-30

XCS-20

XCS-25

XCS-30

Appearance

>Slight milky transparent to translucent liquid

Na₂O (wt%)

≤0.2%

SiO₂ (wt%)

20±1%

25±1%

30±1%

20±1%

25±1%

30±1%

"Density (20°C,g/cm³)

1.12-1.14

1.15-1.17

1.19-1.21

1.12-1.14

1.15-1.17

1.19-1.21

Impurity substance

Fe

≤50ppm

≤30ppm

Cl^-

≤50ppm

≤20ppm

SO₄^2-

≤50ppm

≤20ppm

Al₂O₃

≤100ppm

≤30ppm

CO₃^2-

≤100ppm

≤10ppm

Other

≤100ppm

≤20ppm

pH(20°C)

8.0-9.5

8.0-9.5

Viscosity (20℃,mPas)

≤35

Particle size (nm)

8-15

Stability

6 months