Physical and Chemical Properties
Properties and Test Methods |
Unites |
Value |
SiO2Content
ISO3262-19 |
% |
≥ 99.8 |
Specific Surface area (N2) –Tristar, multi-point
ISO9277 |
m2/g |
200 |
Loss on Drying,
2h at 105ºC
ISO787-2 |
% |
≤ 2.0 |
Ignition Loss,
2h at 1000ºC
ISO 3262-1 |
% |
≤ 2.0 |
pH Value
4% in dispersion |
|
4.1 |
Tamped Density
ISO 787-11 |
g/l |
50 |
Package |
kg |
10 |
Silphobic A200 is a hydrophilic fumed silica with a specific surface area of 200 m2/g
Applications
Ø Paints and coatings
Ø Unsaturated polyester resins, laminating resins and gel coates
Ø HTV- and RTV-2K-silicone rubber
Ø Adhesives and sealants
Ø Printing inks
Ø Cable compounds and cable gels
Ø Plant protection
Ø Food and cosmetics
Properties
Ø Rheology and thixotropy control of liquid systems, binders, polymers, etc.
Ø Used as anti-settling, thickening and anti-sagging agent.
Ø Reinforcement of HTV- and RTV-2K silicone rubber.
Improvement of free flow and anticaking characteristics of powders.