Sipernat® 320 DS

Technical Documents

SIPERNAT® 320 DS is a very finely ground silica.

Details

CAS

112926-00-8

Product Type

Additive > Fillers > Silicas
Additive > Rheology modifiers thickeners

Applications

Adhesives

Producer

Evonik

Supplier

Evonik Iran > Silica

Chemical Composition

Precipitated silica

Advantages
  • good thickening
  • excellent flow improving properties
Other Applications

defoamers / antifoams (rapid foam destruction after in-situ hydrophobization)
adhesives (auxiliary ingredient)
printing / offset inks (prevents misting and setoff, also used as an extender)
RTV-2C / LSR silicone rubber-applications (viscosity adjustment)

Storage

we recommend storing the products in sealed containers in a dry, cool place, and removed from volatile organic substances.
our recommended use-by date is 24 months after date of manufacture. Product more than 24 months old should be tested for moisture content before use in order to make certain that it is still suitable for the intended application.

Technical data

Quantity Value Unit Comment
Appearance Properties
Sieve residue <300 ISO 3262-19
Particle size 7.5 µm laser diffraction;ISO 13320-1
Physical state powder
Physical Properties
pH 6.2 ISO 787-9; 5%in water
Tap density 0.09 g/cm3 ISO 787-11
SiO2 >97 % ISO 3262-19
Surface Area 175 m²/g ISO 9277
Thermal Properties
Loss on ignition <6 % 2hours at 1000°C
Chemical Properties
Shelf Life 24 month
Sulfate content <1.5 internal method
Sodium/potassium content <10000 ppm internal method
Loss on drying <6 % ISO 787-2;2hours at 105°C
Electrical Properties
Electrical conductivity <0.0013 s/cm ISO 787-14