 |
Postassium fluosilicate |
- Molecular formula: K2SiF6
- Relative molecular mass: 220.25
- Character: white crystal or powder, no odor or taste, the relative density of hexagonal crystal system:3.08; that of cubic system:2.665(17°C).ph:a little below 7, having absorption, slightly soluble in water, soluble in muriatic acid. Its solubility will increase a little with the temperature rise. Its insoluble in alcohol, and it hydrolyzes potassium fluoride, hydrogen fluoride and silicic acid, and decomposes into potassium fluoride and silicon tetrafluoride when in ignition.
- Usage: used as antiseptic of limber industry; the assistant in smelting Mg and Al; in the production of potassium glass, optical glass and jealous glass in glass industry; insecticide in agricultural pesticide; intermediate of organic industry; analytical reagent in analytical chemistry; antiseptic materials in chemical industrial production; pottery and porcelain, synthetic mica and so on.
- Packing: packed with the plastic woven bag with Polyethyene plastic bag inside, the net weight: 25 kg each bag.
| Specification % |
| K2SiF6 |
SO4 |
Cl |
H2SiF6 |
Pb |
H2O |
Water insoluble |
| ≥ |
≤ |
| 98 |
0.05 |
0.05 |
0.20 |
0.01 |
0.10 |
0.30 |
|
|
 |
