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Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® FS0300
SiSiB® FS0300

Hydrophilic Fumed Silica

Hydrophilic fumed silica is manufactured by hydrolysing volatile chlorosilanes in an oxyhydrogen flame. In chemical terms, the loose white powder consists of highly pure amorphous silicon dioxide. 


Hydrophilic silica is wetted by water and can be dispersed in water. Hydrophobic silica is produced by the chemical reaction of hydrophilic silica with reactive silanes, e.g. chlorosilanes or hexamethyldisilazane. It has water-repellent properties and is no longer dispersible in water.


SiSiB® FS0300

Technical Data


CAS No.

112945-52-5 or 7631-86-9

EINECS No.

601-216-3 or 231-545-4

Specific surface area (BET)

300±15 m2/g

Average primary particle size

5~40 nm

SiO2 content, wt.% (1000°C, 2h)

> 99.8%

Loss on drying, (105°C, 2h) wt.%

<2.0%

Ignition loss (1000°C, 2h), wt.%

<2.0%

pH-Value (in 4 % aqueous dispersion)

3.6~4.3

Tamped density

~50g/l


Application


  • SiSiB® FS0300 can be applied as a thickening and thixotropic agent in many organic systems, e.g. in unsaturated polyesters, coatings, printing inks, silicone adhesives and sealants.


  • SiSiB® FS0300 is used as a reinforcing filler for HTV and LSR at a high transparency level.


Packing and Storage


  • SiSiB® FS0300 sio2 hydrophilic is supplied in multiple layer 10 kg bags.


  • In the original unopened packaging, SiSiB® FS0300 has a shelf life of 24 months under dry conditions.


Documents

DownloadSiSiB® FS0300 Technical Data Sheet
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