... materials 2coating industry 3paper making industry Detailed Product Description NH4-stabilizer colloidal silica (silicon dioxide,silica sol)Particle size 8-20 ... (nm),low impurity, high diaphaneity, etc. NH4-stabilizer colloidal silica (silicon dioxide,silica sol)There are five types ... of NH4-stabilizer including NS-10, NS-15, NS-20, NS-25 and ...