- Functions:Rheology Modifier, Thickener, Thixotrope
- Compatible Polymers & Resins:Polyurethanes (PU), Epoxies (EP), Vinyl Esters
- Chemical Family:Silica
- Synonyms:Fumed Silica, Silica, Silicon Dioxide
HDK® H16 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H16 is applied as a thickening and thixotropic agent in composites, coatings, adhesives, and sealants, especially in vinylester, epoxy, and polyurethane systems. It also finds applications in adhesives.