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

OCI KONASIL KD15 Hydrophobic Fumed Silica

OCI KONASIL KD15 is an imported hydrophobic fumed silica from South Korea, produced by surface modification. It is a high-purity amorphous white powder with excellent hydrophobicity, thixotropy, anti-settling and reinforcement, designed for sealants, adhesives, coatings and moisture-resistant systems.

Features Of OCI KONASIL KD15 Hydrophobic Fumed Silica

  1. Excellent hydrophobicity & moisture resistance - Surface modified to resist moisture, improve water resistance and weatherability

  2. Stable rheology & thixotropy - Precisely adjust viscosity, effectively anti-sagging and anti-settling, better workability

  3. High-efficiency reinforcement & toughening - Greatly improve mechanical strength, adhesion and durability of elastomers

  4. Wide system compatibility - Excellent compatibility with resins, coatings, inks and silicone rubber

  5. Powder anti-caking & flow aid - Improve fluidity, prevent caking, easy storage and automatic processing

Typical Applications Of OCI KONASIL KD15 Hydrophobic Fumed Silica

  1. Water-resistant sealants & adhesives - Improve hydrophobicity and bonding, suitable for outdoor and moist environments

  2. Industrial coatings & printing inks - Anti-settling and anti-sagging, optimize film uniformity and water resistance

  3. HTV/RTV silicone rubber - Reinforce and toughen, provide excellent hydrophobicity and weatherability

  4. Acrylic/PU/PVC plastisol - Rheology control, improve processability and surface quality

  5. Resin gel coats & composites - Enhance mechanical properties, water resistance, aging resistance and insulation

Specifications Of OCI KONASIL KD15 Hydrophobic Fumed Silica

BrandOCI Korea
Product SeriesKONASIL Hydrophilic Fumed Silica
Product TypeFumed Silica
AppearanceWhite fluffy amorphous powder
BET Surface Area300±30 m²/g
pH Value (4% Dispersion)4.2
Loss on Drying≤1.5 wt%
Loss on Ignition≤1.5 wt%
Bulk Density50 g/L



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