Place of Origin:
Jiaozuo City,China
Brand Name:
EVERSIM
Certification:
ISO 9001
Model Number:
Potassium Fluoride
Potassium Fluoride for flux in the aluminium smelting production of ferrous alloy
1. Characteristics
| Item | Specification |
| CAS | 7789-23-3 |
| Appearance | White monoclinic crystal or crystalline powder |
1. For glass carving, food preservation and electroplating;
2. It can be used as welding flux, pesticide, catalyst, absorbent (absorbing HF and moisture), etc.;
3. Used as analytical reagent and complex formation agent.It's also used to make potassium fluoride;
4. It can be used as fluorination agent for organic compounds.
3. Specification
| Item | Grade A | Grade B | |
| Potassium Fluoride /% ≥ | 99.5 | 99.3 | |
| Chlorides(Cl) /% ≤ | 0.05 | 0.1 | |
| Loss on drying/% ≤ | 0.2 | 0.2 | |
| Free acids/alkalis | As HF /% ≤ | 0.05 | 0.05 |
| As KOH/% ≤ | 0.05 | 0.1 | |
| Sulphate(SO4) /% ≤ | 0.1 | 0.2 | |
| fluosilicate silicofluoride(SiO2) /% ≤ | 0.01 | 0.05 | |
| Insol. in water /% ≤ | 0.01 | 0.1 | |
| Cr | ≤5 ppm | ≤5 ppm | |
| Cu | ≤5 ppm | ≤5 ppm | |
| ICP | Mg | ≤5 ppm | ≤5 ppm |
| Determination of KF | Al | ≤10 ppm | ≤10 ppm |
| microelements | Si | ≤20 ppm | ≤30 ppm |
| Fe | ≤10 ppm | ≤20 ppm | |
| Pb | ≤10 ppm | ≤10 ppm | |
| As | ≤5 ppm | ≤5 ppm | |
| B | ≤5 ppm | ≤10 ppm | |
| Ca | ≤5 ppm | ≤10ppm | |
| Na | ≤300 ppm | ≤500 ppm | |
| Ni | ≤3 ppm | ≤5 ppm | |
| P | ≤3 ppm | ≤30ppm | |
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