Hydrophilic fumed silica produced by flame hydrolysis of volatile silicon compounds. It acts as a thickener, thixotropic agent and anti settling agent for liquid systems, polyester, PVC-plastisols, pharmaceutical products, fluids and lubricants. Also acts as a reinforcing filler in silicone rubber. Its good dispersion is a must to assure optimum performance. It has a shelf life of at least 12 months when stored in the unopened original container.
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Wacker HDK® N 20ST properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Al2O3 content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density, Tapped | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Fe2O3 Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| HCl content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| SiO2 Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Surface area | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Titanium Dioxide Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| pH | 0.0 Visible After Login | Visible After Login | Visible After Login |