Neutral dispersion of 20 nm colloidal silica (30%) in water. This product can be used in investment casting, polishing, metal surface treatment and catalyst binder applications. The silica has been surface treated for improve stability at low and mid range pH.
Nyacol NexSil 20-AT colloidal silica
SiO2, % 29-31
Particle size, nm 15-20
Specific surface area, m2/g 120-180
Surface charge negative