Good thickening and thixotropy.
Good anti-sagging properties and excellent stability in epoxy resin.
Excellent reinforcing properties in silicone rubber especially at high filler loading levels and no crepe hardening on aging.
Well suited for transparent systems.
High water resistance and free-flow property in powders.
Technical Data
CAS No.
67762-90-7
Specific surface area (BET)
95 - 125 m2/g
pH-Value in 4 % aqueous dispersion
5.5 - 7.5
Loss on drying (2h at 105°C) wt.%
Max.1.5
Loss on ignition (2h at 1000°C) wt.%
Max.10
Silica content (based on ignited material) wt.%
Min. 99.8
Carbon content (2h at 105°C) wt.%
4.5 - 6.5
Applications
Thickening and thixotropy control of silicone adhesives and sealants.
Thickening and thixotropy control of epoxy and vinylester resins and gelcoats.
Thickening and thixotropy control of cabel gels, lubricants.
Anti-sedimentation aid for fillers
Improves flow ability of powders.
Packing and Storage
SiSiB
20’ft GP container can load 1800kg with 10 pallets; 40’ft HQ container can load 4000kg with 20 pallets.
Silicon dioxide(SiO2) hydrophobic fumed silica production: Fumed silica is made by the hydrolyzed chlorosilane with high temperature in hydrogen and oxygen blaze. It is a kind of inorganic fine chemical products which is white, nonpoisonous, odourless and amorphous the ...