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Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® FS9350 Hydrophobic Fumed Silica
SiSiB® FS9350 Hydrophobic Fumed Silica

Hydrophobic Fumed Silica

SiSiB® FS9350 is a hydrophobic fumed silica after-treated with organosilane. It provides utmost transparency.

SiSiB® FS9350 Hydrophobic Fumed Silica

Technical Data


CAS No.

92797-60-9

EINECS No.

296-597-2

Appearance

White powder

Specific Surface Area (BET, m2/g)

125-175

SiO2 Content (%)

Min.99.8

Loss on Drying (%) (105°C, 2h)

Max.0.5

pH value (in 4 % dispersion)

3.5-5.5

Tamped Density (g/L)

Approx.60

Carbon Content (wt.%)

4.5-6.5

Note: These values are typical and are not intended for use as specifications.

Application


  • SiSiB® FS9350 is recommended for automotive coatings, industrial coatings, marine coatings and protective coatings where efficient rheology control, anti-settling performance and high transparency are required. It helps prevent pigment and filler sedimentation during storage while improving sag resistance and application properties.


  • SiSiB® FS9350 is particularly suitable for epoxy resin systems, providing controlled thixotropy, improved storage stability and enhanced application performance. It contributes to the development of stable formulations and uniform film appearance.


  • SiSiB® FS9350 can also be used in adhesives, sealants, composite materials, unsaturated polyester resins and vinyl ester resins to improve suspension stability, sag resistance and overall formulation performance.

Packing and Storage


  • SiSiB® FS9350 is supplied in multiple layer 10 kg bags.


  • Store in a cool, dry place, protected from light, away from heat and ignition sources. In the original unopened packaging, SiSiB® FS9350 has a shelf life of 24 months under dry conditions. Keep the product in closed containers and protect it from volatile substances.

Documents

DownloadSiSiB® FS9350 Technical Data Sheet
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SiSiB® FS9350 Hydrophobic Fumed Silica