... Product Description NH4-stabilizer colloidal silica (silicon dioxide,silica sol)Particle size 8-20(nm),low impurity, high diaphaneity, etc. NH4-stabilizer ... .15-1.171.19-1.21Viscosity (20°C,mPaS)≤10Particle size (nm)8-20StabilityTwo years Packing & StorageColloidal silica is packed in ...