HDK® S13 by Wacker is a pyrogenic silica (synthetic, hydrophilic, amorphous) grade produced via flame hydrolysis. Acts as a thickening/ thixotropic/ rheology agent. It is an odorless white colloidal powder of high purity suitable for silicone sealants. Listed on TSCA (U.S. Federal regulation), ECL, ENCS, AICS, IECSC, DSL, PICCS, TSCA, TCSI and REACH. A good dispersion of HDK® S13 by Wacker is a must to assure optimum performance.
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HDK® S13 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density, Bulk | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density, Tapped | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Loss on Drying | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Particle Size | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Refractive Index | 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, BET | 0.0 Visible After Login | Visible After Login | Visible After Login |
| pH | 0.0 Visible After Login | Visible After Login | Visible After Login |