Technical datasheet

HDK® T30

Supplied byWacker- Last Updated on Mar 24, 2026

Synthetic, hydrophilic amorphous silica, produced via flame hydrolysis. It acts as a thickening and thixotropic agent in many organic systems, e.g. in unsaturated polyesters and others. Appears as a white colloidal powder of high purity. It is used as a reinforcing filler in elastomers, mainly silicone-elastomers. Its good dispersion is a must to assure optimum performance. It has a shelf life of at least 24 months when stored in unbroken original packaging in dry storage areas.
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HDK® T30 properties

Other properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Density, Tapped0.0 Visible After LoginVisible After LoginVisible After Login
Electric Resistivity0.0 Visible After LoginVisible After LoginVisible After Login
Loss on Ignition0.0 Visible After LoginVisible After LoginVisible After Login
Refractive Index0.0 Visible After LoginVisible After LoginVisible After Login
Silicon Dixodie Content0.0 Visible After LoginVisible After LoginVisible After Login
Surface Area, BET0.0 Visible After LoginVisible After LoginVisible After Login
pH0.0 Visible After LoginVisible After LoginVisible After Login

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