HDK® H2000 by Wacker is synthetic, hydrophobic amorphous silica, produced via flame hydrolysis. Appears as a white colloidal powder of high purity. It acts as a antifoam agent and used as a reinforcing filler in elastomers, mainly silicone-elastomers. Its good dispersion is a must to assure optimum performance. HDK® H2000 has a shelf life of at least 24 months when stored in unbroken original packaging in dry storage areas.
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HDK® H2000 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density, Tapped | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Electric resistivity (density 40 g/l) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Loss on drying, 2 h at 105°C (DIN EN ISO 787-2) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| SiO2 Content (DIN EN ISO 326219) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Silanol Group Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Surface Area, BET | 0.0 Visible After Login | Visible After Login | Visible After Login |
| pH | 0.0 Visible After Login | Visible After Login | Visible After Login |