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

OCI KONASIL K-150 hydrophilic Fumed Silica

OCI KONASIL K-150 is an imported hydrophilic fumed silica from South Korea. It is high-purity amorphous silica produced by flame hydrolysis, with balanced reinforcement, thickening, anti-settling and thixotropic properties, widely used in adhesives, silicone rubber, coatings and polymers.


Features Of OCI KONASIL K-150 hydrophilic Fumed Silica

  1. Balanced rheology control - Medium surface area, stable thickening and thixotropy, anti-sagging and anti-settling

  2. Efficient elastomer reinforcement - Greatly improve mechanical strength, elongation and durability of silicone rubber

  3. Wide resin compatibility - Excellent compatibility with acrylic, PU, PVC plastisol and other systems

  4. Powder flow aid & anti-caking - Improve powder fluidity and processability, prevent caking

  5. High purity & low impurity - SiO₂≥99.8%, low impurities, ensure stability and insulation

Typical Applications Of OCI KONASIL K-150 hydrophilic Fumed Silica

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

  2. Sealants & adhesives - Thixotropic thickening, anti-settling, better workability and bonding

  3. Industrial coatings & printing inks - Anti-sagging, system stabilization, better film & printing

  4. Acrylic/PU/PVC plastisol - Rheology modification, improved processing and molding

  5. Resin gel coats & composites - Enhanced mechanical properties and durability

Specifications Of OCI KONASIL K-150 hydrophilic Fumed Silica

BrandOCI Korea
Product SeriesKONASIL Hydrophilic Fumed Silica
Product TypeFumed Silica
AppearanceWhite fluffy powder
BET Surface Area200±20 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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