XYSIL® R170H is a fumed silica after treated with DDS(Dimethyldichlorosilane). It is based on a hydrophilic fumed silica with a specific surface area of 200m2/g.
Application:
- Paint & coating
- RTV silicone sealant
- Silicone rubber
- Adhesive
Functions:
In coating, paint, adhesive, sealant, and silicone, etc., it applied as:
- Thickening agent
- 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] | 170 ± 20 | GB/T10722 |
| pH value | 3.7 ~ 4.5 | GB/T10722 |
| Loss on drying[%] | < 0.7 | GB/T1717 |
| Loss on ignition | < 2.5 | GB/T5211.3 |
| Tamped density[g/L] | 40 ~ 60 | GB/T5211.14 |
| SiO2 content | ≥99.8 | GB/T20020 |
| Carbon content [wt%] | 0.7 ~ 1.5 | GB/T5211.4 |
| Surface modification | Dimethyldichlorosilane | – |