Synthetic, hydrophobic, amorphous silica, produced via flame hydrolysis. Special features: White colloidal powder of high purity. Application: HDK® H15 is applied as a thickening and thixotropic agent in coatings, printing inks, adhesives, cosmetics and others. HDK® H15 is used as a reinforcing filler in elastomers, mainly silicone-elastomers. HDK® H15 acts as a free flow additive in the production of technical powders. Information provided by Wacker Chemie AG. |