Silica Sol 2040AS is a aqueous, alkaline colloidal silica sol stablised with ammonia.

Chemical Formula: SiO2 nH2O

Silica Sol 2040AS with biocide is an opalescent liquid.

Specific Surface Area:      130-180           m2g-1

Solids Content:      39.6-40.5           % m/m

Sodium as Na:      ≤ 0.10           %m/m

Viscosity at 25°C:      ≤40           MPas

Ph at 25°C:      9.0 – 9.4

Density at 20°C:      1.282 – 1.294           gcm3

Stabiliser NH4:      MAX 0.3%           %m/m

Biocide 250-300 mg/kg-1 Dowicil is added to the Silica Sol

Packing: In road tankers, IBC containers and plastic drums.