Hydrophobic Fumed Silica Powder DM 20S for Paints and Coatings
Product Description
REOLOSIL DM-20S is a grade of a hydrophobic silica prepared by treating a high purity fumed silica with dimethyldichlorosilane.
Product Data
| item | value |
| Appearance | white powder |
| Application | Paints and Coatings |
| Specific Surface Area | 160-200m2/g |
| Carbon content | 1.7% |
| Bulk Density | 50 g/L (approximately) |
| pH (4% suspension) | 4.8 |
| Al | < 20 ppm |
| Fe | < 20 ppm |
| Moisture Content (Dry up, %) | < 0.5 % |
Application
Its unique properties offer advantages in many applications; silicone rubber, sealants, organic elastomers, paints, inks,coatings, adhesives, free flow. It is used as thickening and thixotropic agent in the polar liquid systems and a reinforcing filler of transparent rubber.











