Formula: KBF4     M.W: 125.91
Properties: White powder or granular crystal, without hygroscopicity ,bittering; slightly soluble in water and hot ethanol; insoluble in cool ethanol; toxic.
Specification: (%)
KBF4    %   98 min.
 HBF4    %   0.4 max 
 SiO2    %   0.5 max 
 Ca     %   0.05 max  
 Mg     %   0.05 max  
 Na     %   0.1 max  
 Pb     %   0.01 max  
 SO4     %   0.05 max 
 Cl     %   0.1 max  
 H2O     %   0.1 max 
Size:
+60mesh   %   10max  
60mesh/200mesh  %   60/90  
200mesh/325mesh %   20max  
-325mesh   %   10max  
 
Application: Welding flux, sand-casting of aluminum and magnesium, make other fluoride, electrochemical processes and chemicals.
Storage: Prevent wetting and exposure to sunlight.
Packing: 25Kg net, double plastic bags lined plastic woven bag.