Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik AEROSIL R816 Hydrophobic Fumed Silica

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.

Features Of Evonik AEROSIL R816 Hydrophobic Fumed Silica

  1. Rheology control for complex systems – Suitable for complex liquids such as two-component epoxy resin coatings, precisely regulating system rheology and improving construction stability

  2. Efficient pigment anti-settling – As an anti-settling agent, it significantly improves pigment dispersion stability and enhances the anti-corrosion effect of coatings

  3. Excellent powder flow aid – Used in powder coatings to effectively improve powder fluidity and enhance processing and construction efficiency

  4. Silicone rubber performance reinforcement – Integrated into silicone rubber formulas, it significantly improves mechanical strength and optical properties, optimizing product quality

  5. Outstanding hydrophobicity and compatibility – HMDS surface modification, excellent hydrophobicity, suitable for various polar and non-polar systems with good dispersibility

Typical Applications Of Evonik AEROSIL R816 Hydrophobic Fumed Silica

  1. Adhesives and sealants – Improve system thixotropy and stability, enhance bonding strength and durability

  2. Paints and coatings systems – Including water-based and two-component epoxy coatings, optimizing rheology and anti-corrosion performance

  3. Silicone rubber products – Improve mechanical and optical properties, suitable for high-end silicone rubber formulas

  4. Powder coatings – As a flow aid to improve powder fluidity and constructability

  5. Construction and automotive coatings – Suitable for construction and automotive coatings, enhancing corrosion resistance and stability

Specifications Of Evonik AEROSIL R816 Hydrophobic Fumed Silica

BrandEvonik
Product SeriesAEROSIL Hydrophobic Fumed Silica
Product TypeHydrophobic Fumed Silica (White Carbon Black)
Surface TreatmentHexamethyldisilazane (HMDS)
CAS Number199876-45-4
Product FunctionRheology modifier, thickener, anti-corrosion additive, flow aid
Packing10 kg/bag
OriginGermany
AppearanceWhite nano powder
HydrophobicityExcellent


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