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

Evonik AEROSIL R106 Hydrophobic Fumed Silica

Evonik AEROSIL R106 is a hydrophobic fumed silica imported from Germany, modified with D4 organosilane based on high-specific-surface-area hydrophilic silica. It features low chlorine, high reinforcement, excellent rheology and strong anti-caking, specially designed for silicone rubber, sealants, toner and thermoplastic materials.

Features Of Evonik AEROSIL R106 Hydrophobic Fumed Silica

  1. D4 organosilane hydrophobic modification - Uniform surface modification, stable hydrophobicity, suitable for various silicone and polar polymer systems

  2. Low chloride content - Less impurities, friendly to electronic and insulating materials, improve product weather resistance and reliability

  3. High-efficiency reinforcement & thickening - Used as reinforcement for RTV/HTV silicone rubber and thickener for one-component sealants, significantly improve mechanical properties

  4. Precise rheology control - Optimize thixotropy of adhesives, prevent sagging and settling, improve construction and formability

  5. Powder anti-caking & flow aid - Greatly improve fluidity of toner and plastic powder, no caking during long-term storage, smoother dispersion

Typical Applications Of Evonik AEROSIL R106 Hydrophobic Fumed Silica

  1. RTV/HTV silicone rubber - Efficient reinforcement, improve tensile strength, wear resistance and resilience

  2. One-component silicone sealants - Thicken and thixotropic, prevent sagging, enhance sealing durability

  3. Industrial adhesives & polymers - Rheology control, improve bonding strength and construction stability

  4. Copier toner / electrostatic powder - Anti-caking and flow aid, improve printing uniformity and spraying efficiency

  5. Thermoplastics - Improve processing fluidity, enhance product surface and mechanical properties

Specifications Of Evonik AEROSIL R106 Hydrophobic Fumed Silica

BrandEvonik
Product SeriesAEROSIL Hydrophobic Fumed Silica
Product TypeHydrophobic Fumed Silica
Surface TreatmentD4 (Octamethylcyclotetrasiloxane)
BET Surface Area300±25 m²/g
Primary Particle Size7 nm
Moisture Content≤0.5 wt%
Loss on Ignition≤2.0 wt%
pH Value (4% Dispersion)5.5–7.5


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