Sodium Silicofluoride
Product Description: White free flowing power Formular: Na2SiF6 Purity: 99% Standard: GB23936-2009
Main Usage:As opacifying agent for vitreous enamels and opalescent glass. As coagulant for latex. In zirconia pigments. In the manufacture of frits and ceramic enamels.As a preservative agent of wood. As a flux in melting of light metals. As an acidifying agent in the textile industry. In the pharmaceutical industry.
| Items |
Standard Index |
Results of Analysis% |
| Sodium Silicofluoride |
99.00%MIN |
99.18% |
| Fluor(F) |
59.70%MIN |
60.10% |
| Loss of weight on drying at 105℃ |
0.30%MAX |
0.15% |
| Free acid(as HCl) |
0.10%MAX |
0.051% |
| Chlorides(as Cl-) |
0.10%MAX |
0.052% |
| Sulphate(SO42-) |
0.25%MAX |
0.14% |
| Iron(Fe) |
0.02%MAX |
0.01% |
| Water-insoluble matter |
0.5% MAX |
0.33% |
| Heavy metal(as Pb) |
0.01%MAX |
0.001% |
Particale Size Distribution
| Passing through 420 micron (40 mesh) sieve |
98% MIN 100% |
| Passing through 250 micron (60 mesh) sieve |
90% MIN 99.3% |
| Passing through 150 micron (100 mesh) sieve |
95% |
| Passing through 74 micron (200 mesh) sieve |
55.1% |
| Passing through 44 micron (325 mesh) sieve |
25% MAX 18.9% |
It is used as antiseptic in timber industry, hygroscopic agent of acid-resisting concrete, solidifying agent in natural latex products, additive in plating with zinc, nickel, iron and filler in plastic and fluorinating agent in pharmaceuticals and drinking water. It is used to produce insecticide in pesticide industry and sodium fluoride in man-made cryolite.
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