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Na+-stabilizer colloidal silica

Na-stabilizer colloidal silica can be divided into GS-10, GS-15, GS-20, GS-25, GS-30 based on its different SiO2 content.

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
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