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Neutral

Neutral colloidal silica

It is used for high-grade coatings, non-stick coatings, paper-making and other industries,which is particularly sensitive to the ph value.

Item

Model and Standard

 

ZS-20

ZS-25

ZS-30

Appearance

Slight milky transparent to translucent liquid

SiO2 (wt%)

20±1%

25±1%

30±1%

Na2O (wt%)

≤0.2%

PH (20°C)

6.5-8.0

Density (20°C,g/cm3)

1.12-1.14

1.15-1.17

1.19-1.21

Viscosity(20°C,mPa•S)

≤10

Particle size (nm)

8-15

Stability

One year

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