Description
Product information
GS-18 is a hydrophobic fumed silica obtained by treating hydrophilic fumed silica with PDMS (polydimethylsiloxane). Its specific surface area is approximately 110 m²/g.
Product performance
- Control r heology and thixotropy
- Reinforcement of silicone e lastomer
- Improve free movement
- Anti-flow and anti-subsidence
- Thickener
Physical data
| Physical and chemical properties | unit | value |
| Specific surface area | m²/g | 110±20 |
| pH (4% suspension) | – | 4.0-7.0 |
| Drying reduction (105°C, 2h) | wt.% | ≤0.7 |
| Reduction of burning (1000°C, 2h) | wt.% | ≤12.0 |
| SiO2 content | wt.% | ≥99.8 |
| Bulk density | g/l | 50 |
Applications
- Silicone rubber
- Adhesives and sealants
- Electronic potting compound
- Industrial coatings
- Unsaturated polyester resin
- Powder coating
Packaging
- pallet with paper bag: 10 kg/ bag
