Sodium Silicofluoride-SSF
Sodium silicofluoride, so-called SSF, is widely used in:
1.as opacifying agent for vitreous enamels and opalescent glass;
2. as coagulant for latex in zirconia pigments, in the manufacture of frits and ceramic enamels;
3. as a preservative agent of wood;
4.as a flux in melting of light metals;
5.as an acidifying agent in the textile industry. In the pharmaceutical industry
6.water treatment
spec/typical data:
terms Standard Index Results of Analysis
Sodium Silicofluoride 99.00% MIN 99.15%
Loss of weight on drying at 105°C 0.30% MAX 0.25%
Free acid(as HCl) 0.10% MAX 0.083%
Chlorides(as Cl-) 0.10% MAX 0.08%
Sulphate(SO42-) 0.25% MAX 0.21%
Iron(Fe) 0.02% MAX 0.0033%
Water-insoluble matter 0.5% MAX 0.36%
Heavy metal(as Pb) 0.01% MAX 0.00035%
Particle size:
Passing through 250 um sieve 90% MIN 99 .9%
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sodium silicofluoride