Evonik AEROSIL R816 is a hydrophobic fumed silica post-treated with HMDS, designed for multi-system functional modification. It has advantages of rheology control, anti-settling and performance reinforcement, suitable for adhesives, coatings, silicone rubber and other fields.
Rheology control for complex systems – Suitable for complex liquids such as two-component epoxy resin coatings, precisely regulating system rheology and improving construction stability
Efficient pigment anti-settling – As an anti-settling agent, it significantly improves pigment dispersion stability and enhances the anti-corrosion effect of coatings
Excellent powder flow aid – Used in powder coatings to effectively improve powder fluidity and enhance processing and construction efficiency
Silicone rubber performance reinforcement – Integrated into silicone rubber formulas, it significantly improves mechanical strength and optical properties, optimizing product quality
Outstanding hydrophobicity and compatibility – HMDS surface modification, excellent hydrophobicity, suitable for various polar and non-polar systems with good dispersibility
Adhesives and sealants – Improve system thixotropy and stability, enhance bonding strength and durability
Paints and coatings systems – Including water-based and two-component epoxy coatings, optimizing rheology and anti-corrosion performance
Silicone rubber products – Improve mechanical and optical properties, suitable for high-end silicone rubber formulas
Powder coatings – As a flow aid to improve powder fluidity and constructability
Construction and automotive coatings – Suitable for construction and automotive coatings, enhancing corrosion resistance and stability
| Brand | Evonik |
| Product Series | AEROSIL Hydrophobic Fumed Silica |
| Product Type | Hydrophobic Fumed Silica (White Carbon Black) |
| Surface Treatment | Hexamethyldisilazane (HMDS) |
| CAS Number | 199876-45-4 |
| Product Function | Rheology modifier, thickener, anti-corrosion additive, flow aid |
| Packing | 10 kg/bag |
| Origin | Germany |
| Appearance | White nano powder |
| Hydrophobicity | Excellent |
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