Technical Data Sheet
| Chemical analysis | Unit | Specification |
| Na2SiF6 | % | 99.0 %MIN. |
| CLoss of weight on drying at 105≤ | 0.30 %MAX. | |
| Free acid(as HCL) ≤ | % | 0.1 %MAX |
| Water-insoluble matter | 0.50 % Max | |
| Arsenic | ppm | 1 max |
| Barium | ppm | 200 max |
| Beryllium | ppm | 0.4 max |
| Cadmium | ppm | 0.5 max |
| Chromium | ppm | 10 max |
| Copper | ppm | 130 max |
| Mercury | ppm | 0.2max |
| Lead | ppm | 1.5max |
| Antimony | ppm | 0.6max |
| Selenium | ppm | 5max |
| Thallium | ppm | 0.2 max |
Physical properties
| Physical Description | It is white powder, density 2.75, moisture absorptive, not soluble in alcohol, slightly soluble in water, decomposed in alkali solution. |
| Molecular weight | 188.06 |
Dot and freight description
| Hazardous material description | FSodium Fluorosilicate |
| Haz.Mat.Class,I.D.#,packing Group | 8,UN 2764,PG II Principle |
| CAS Number | 16893-85-9 |
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