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, if high gloss and transparency is required. 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® T40 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 | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Loss on Ignition | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Refractive Index | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Silicon Dixodie 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 |