HDK® T40 is white colloidal powder of high purity and is a synthetic, hydrophilic amorphous silica, produced via flame hydrolysis. It is used as a free flow additive in the production of powder substances and food stuff. HDK® T40 is applied as a thickening and thixotropic agent in many organic systems, e.g. in unsaturated polyesters, coatings, printing inks, adhesives and others.
Wacker Chemie AG offers a wide range of binders for the Graphic Arts and Inks Industry. Hydrophobic and hydrophilic HDK® series of pyrogenic silica and VINNOL® vinyl chloride co- and terpolymers series may be used in flexographic printing, screen printing, gravure printing, transfer printing, web offset printing, and inkjet applications and offer resistance, wetting, and rheology benefits to formulations.
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