- INCI Name:Silica
- Chemical Name:Pyrogenic Silica
- CAS Number:112945-52-5
- Functions:Rheology Modifier, Extender, Filler, Thixotrope, Viscosity Modifier, Reinforcement, Thickener
- Chemical Family:Silica
- Synonyms:Fumed Silica, Silica, Silicon Dioxide
HDK® N20 is a synthetic, hydrophilic, amorphous silica produced through flame hydrolysis. It is a standard product widely used in various industrial applications. This white colloidal powder offers high purity and serves multiple purposes. One of the primary applications of HDK® N20 is as a thickening and thixotropic agent in organic systems such as unsaturated polyesters, coatings, printing inks, adhesives, and cosmetics. Additionally, it functions as a reinforcing filler in elastomers, particularly silicone elastomers.