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.