SiSiB® FS5115 is a hydrophobic fumed silica after treated with DDS (Dimethyldichloro silane) based on a hydrophilic fumed silica with a specific surface area of 150m2/g.
Specific surface area (BET)
100 - 130m2/g
pH-Value in 4 % aqueous dispersion
3.7 - 4.5
(1:1 mixture of water and ethanol)
Loss on drying (2h at 105°C) wt.%
Loss on ignition (2h at 1000°C) wt.%
Silica content (based on ignited material) wt.%
Tamped density (2h at 105°C) g/L
40 - 60
Carbon content (2h at 105°C) wt.%
0.6 – 1.2
RTV silicone sealants, especially electronic potting.
Adhesives and Sealants.
Silicone Coatings, Inks.
Powder and Coatings.
SiSiB® FS5115 hydrophobic pyrogenic silica is supplied in multiple layer 10 kg bags.
20’ft GP container can load 1800kg with 10 pallets; 40’ft HQ container can load 4000kg with 20 pallets.
In the original unopened packaging, SiSiB® FS5115 has a shelf life of 24 months under dry conditions.