Potassium fluoride [ 7789-23-3 ]
| Boiling Point 101.3KPa（℃） | 1505 |
| Melting Point （℃） | 858 |
| Relative Density | 2.48 |
Technical parameters：
| Analysis | Requirement |
| Appearance | White fine powder |
| Water(% by weight) | 0.3 max |
| Purity(% by weight) | 99.0 min |
| Chlorides | 0.05 max |
| Grain Size （μm） | 1-50 |
| Specific Surface （m2/g） | Around 1.3 |
| Apparent Specific Gravity (g/cm3) | 0.3-0.7 |
| Free Acid （as HF）% | 0.1 max |
| Free Alkalis（as KOH）% | 0.05 max |