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

OCI KONASIL K-200 hydrophilic Fumed Silica

OCI KONASIL K-200 is a imported hydrophilic fumed silica from South Korea, produced by high-temperature flame hydrolysis. It is a high-purity amorphous white powder with excellent reinforcement, thickening, anti-settling and thixotropic control properties, designed for silicone rubber, adhesives, coatings and resins.

Features Of OCI KONASIL K-200 hydrophilic Fumed Silica

  1. High-efficiency reinforcement - Greatly improve mechanical strength, elongation and wear resistance of silicone rubber

  2. Precise rheology & thixotropy - Stabilize liquid system viscosity, anti-sagging & anti-settling, better workability

  3. Wide system compatibility - Compatible with silicone rubber, acrylic, PU, PVC plastisol and other resins

  4. Powder flow improvement - Enhance free flow of powder, prevent caking, easy processing & storage

  5. High purity & low impurity - SiO₂≥99.8%, extremely low impurity, ensure product stability

Typical Applications Of OCI KONASIL K-200 hydrophilic Fumed Silica

  1. HTV/RTV silicone rubber - Main reinforcing filler, improve strength and resilience

  2. Sealants & adhesives - Thixotropic thickening & anti-settling, enhance bonding strength

  3. Industrial coatings & printing inks - Anti-sagging & anti-settling, optimize film appearance

  4. Acrylic/PU/PVC plastisol - Rheology control, improve processing & molding

  5. Resin gel coats & composites - Enhance mechanical properties & durability

Specifications Of OCI KONASIL K-200 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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