Wacker HDK® N20ST Silica

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Wacker HDK® N20ST Silica
Categories:	Ceramic; Oxide; Silicon Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	Synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis. Standard product for industrial applications. Special features: White colloidal powder of high purity. Application: HDK® N20ST is applied as a thickening and thixotropic agent in many organic systems, e.g. in unsaturated polyesters, coatings, printing inks, adhesives, cosmetics and others. HDK® N20ST shows a lower thickening activity compared to HDK® N20. Information provided by Wacker Chemie AG.
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Available Properties
Bulk Density, DIN EN ISO 787-11, tamped Density, DIN 51757 pH, DIN EN ISO 787-9, 4% dispersion Specific Surface Area, Hydrophobic Silica Evaporation Loss, DIN EN ISO 787-2 Refractive Index SiO2, DIN EN ISO 3262-19, based on the substance heated at 1000°C for 2 h

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