Potassium Fluoride
Molecular formula: KF·2H2O
Molecular weight: 94.13
Property: Colorless cubic crystal, easily soluble in water, soluble in hydrofluoric acid and liquid ammonia;
Use: Etching glass, corrosion protection for glass, fluxing agent for welding, pesticides, fluorating agent and absorbent, analytical reagent and raw material for making acid potassium fluoride.
Quality standard: Enterprise standard
Index name |
Special grade |
First grade |
Potassium Fluoride(KF) %, ≥ |
99.0 |
98.0 |
Clarity test |
check out |
check out |
Free acid (base on HF) %,≤ |
0.1 |
0.2 |
Free alkali(base on KOH) %,≤ |
0.1 |
0.2 |
Chloride (Cl) %,≤ |
0.02 |
0.05 |
Sulfate (SO4) %,≤ |
0.1 |
0.2 |
Fluosilicate (base on SiF6) %,≤ |
0.5 |
0.8 |
Iron (Fe) %,≤ |
0.005 |
0.05 |
Heavy metal (base on Pb) %,≤ |
0.01 |
0.05 |
Casing: 25kg plastic woven bag with plastic liner.