It is mainly used in the key
villiaumite, water treatment agent, light metal villiaumite
electrolysis flux, etc. It also can be used in medical industry,
nuclear industry, etc. Index
item Industrial
grade (%)Sodium
fluoride(NaF)≥*8 Silicon
dioxide (SiO2) ≤0.5 Sulfate (SO4) ≤0.3 Free Acidity (HF) ≤0.1 Sodium carbonate≤0.5 Insol. in water ≤0.5 Moisture (H2O)≤0.5
