| Other: | Molecular weight :78.11Property :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 |  |