| Other: |
Molecular weight :78.11
Property :White, odorless crystalline powder with a slightly sour taste, melting point approx. 238℃ (decomposition).Soluble in water, insoluble in ethanol.The aqueous solution is acidic.
Application :It is used to manufacture anhydrous hydrogen fluoride, pure potassium fluoride, optical glass, element fluorine, and also used as glass etching agent, welding flux, wood preservative, etc
Pack:It is packed in 25kg plastic woven bag or composite kraft paper bag, carton or cardboard bucket.
| ITEM |
YingKe Standard |
| Apperance |
White crystal |
| Assay(KHF2) % |
≥99 |
| Free Acid(HF) % |
25-26 |
| Chloride(Cl) % |
≤0.01 |
| Sulfate(SO42-) % |
≤0.005 |
| Fluorosilicates(SiO2) % |
≤0.01 |
| Heavy Metal(Pb) % |
≤0.005 |
| Nickel(Ni) % |
≤0.001 |
| Iron(Fe) % |
≤0.005 |
|