Inorganic acid seriesHexafluorosilicic acid (Industrial grade, NSF grade)
Product name: Hexafluorosilicic acid, Fluorosilicic acid
CAS No.: 16961-83-4
Molecular formula: H2SiF6
Molecular weight: 144.09
UN No.: 1778
Technical index:
| Items | Unit | NSF Grade | Industrial Grade |
|---|---|---|---|
| Content | % ≥ | 23/25/40 | 23/25/40 |
| H2SO4 | % ≤ | 0.2 | 0.5 |
| HF | % ≤ | 0.2 | 0.5 |
| Fe | ppm ≤ | 100 | 100 |
| Cd | ppm ≤ | 2 | 5 |
| Pb | ppm ≤ | 2 | 5 |
| Cu | ppm ≤ | 2 | 5 |
| Hg | ppm ≤ | 2 | 5 |
| As | ppm ≤ | 2 | 5 |
Uses:
1, Is a basic raw material of obtaining Hexafluorosilicic acid sodium, potassium, ammonium, magnesium, copper, barium, lead and other Hexafluorosilicic acid salts and silicon tetrafluoride.
2, For metal plating, wood preservative, beer disinfection, brewing industrial equipment disinfection (1%-2% H2SiF6) and lead electrolysis.
3, Also used as a mordant and metal surface treatment agent.
Packing: 25kg/drum, 250kg/drum, 1350kg/IBC drum PE plastic drum.