XYSIL® R230 is a Fumed Silica aftertreated with HMDS(hexamethyldisilazane) based on a hydrophilic fumed silica with a specific surface area of 300m2/g.
Application:
- Paint & coating
- RTV silicone sealant
- Silicone rubber
- Adhesive
Functions:
- thickening, thixotropic agent
- anti-settling agent
Packing and Storage:
- Packaged in multiple layer kraft paper
- 10kg bags on pallet
- Should be stored in the original packaging in dry
- Protected from volatile substance
Physico-chemical Data
| Properties | Typical Value | Standardization |
|---|---|---|
| BET surface area [m2/g] | 230 ± 20 | GB/T10722 |
| pH value | 5.0 ~ 8.0 | GB/T10722 |
| Loss on drying [%] | < 1.0 | GB/T1717 |
| Loss on ignition | < 4.0 | GB/T5211.3 |
| Tamped density [g/L] | 40 ~ 60 | GB/T5211.14 |
| SiO2 content | ≥99.8 | GB/T20020 |
| Carbon content [wt%] | 3.0 ~ 5.0 | GB/T5211.4 |
| Surface modification | Hexamethyldisilazane | – |