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

HIFULL HL-200 Hydrophilic Fumed Silica

HIFULL HL-200 is a high-quality domestic hydrophilic fumed silica produced by advanced fumed process. It features high specific surface area, high purity, high transparency, excellent reinforcement, thickening, thixotropy, anti-sedimentation and anti-sagging, with good dispersibility and compatibility.


Features Of HIFULL HL-200 Hydrophilic Fumed Silica

  1. High specific surface area & activity – stable surface area, outstanding thickening and thixotropic effect

  2. Excellent reinforcement & toughening – significantly improve tensile strength, tear strength and wear resistance of silicone rubber

  3. Stable rheology control – quickly form 3D network, prevent sagging and sedimentation, optimize workability

  4. High transparency & low impurity – high purity, few impurities, no impact on transparency and electrical properties

  5. Easy dispersion & processing – fluffy powder, fast wetting and dispersion, suitable for various production processes

Typical Applications Of HIFULL HL-200 Hydrophilic Fumed Silica

  1. HTV/RTV silicone rubber – efficiently reinforce, improve mechanical properties and transparency

  2. Industrial coatings & paints – thicken, thixotropic, anti-sagging, anti-pigment sedimentation

  3. Sealants & adhesives – improve thixotropy and bonding strength, enhance durability

  4. Printing inks – stabilize rheology, improve printing clarity and color uniformity

  5. Cosmetics & powder materials – enhance skin feel, anti-caking, optimize fluidity

Specifications Of HIFULL HL-200 Hydrophilic Fumed Silica

BrandHIFULL
Product TypeHydrophilic Fumed Silica / Nano Silicon Dioxide
AppearanceFluffy white powder
SiO₂ Content≥99.8%
BET Surface Area200±20 m²/g
Average Primary Particle Size7 nm
pH Value (4% suspension)3.9–4.5
Loss on Drying≤1.5%
Loss on Ignition≤2.0%
Bulk Density40–60 g/L
Iron Content≤30 ppm


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