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Stabifix

Stabilisers & Clarifiers

Hydrogels | Stabifix W MF

Stabifix W MF is designed for the use on crossflow filters with polysulfone based membranes. Approvals of the respective filtermanufacturers have been granted.

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Typical Properties
Characteristics Hydrogel, white powder
Chemical formula SiO2 x n H2O
SiO2-- content in ignition residue approx. 99%
Moisture ex work (at 105° C, 4 hours) 58 - 65%
Internal surface area 650 – 900 m²/g
Pore volume 0,5 – 2,0 ml/g
pH value 2,5 – 3,5
Water soluble substances total less than 2 %
  Ca less than 200 ppm
  Fe less than 20 ppm
  As less than 2 ppm
  Pb less than 2 ppm
 
Safety Properties
Flash point not applicable
Toxicity none
Hazardous decomposition products none
Hazardous reactions none
 
Filtration Properties
Particle size more than 100 µ max. 1 %
  less than 25 µ 80%
  less than 3 µ 1%
Permeability   > 150 mDarcy