Wacker Chemie AG
HDK® H18
Chemical Family: Silica
Functions: Rheology Modifier, Thixotrope, Thickener
End Uses: Epoxy Coating, Sensors, Wind Turbine Blades
Compatible Polymers & Resins: Epoxies (EP), Polyurethanes (PU), Vinyl Esters
Labeling Claims: Cruelty-Free, Clean at Sephora, Credo Clean Standard
INCI Name: Silica Dimethyl Silylate
Synonyms: Fumed Silica, Silica, Silicon Dioxide
HDK® H18 is a synthetic, hydrophobic, amorphous silica produced via flame hydrolysis. It is a white colloidal powder of high purity. HDK® H18 is used as a thickening and thixotropic agent in composites, coatings, adhesives, and sealants, particularly in vinylester, epoxy, and polyurethane systems.