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
|
380
|
|
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 380 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.
Ø Improvement of free flow and anticaking
characteristics of powders.
