Sodium Fluoride

*NaF 98.0%min
*Water-insoluble matter 0.7% max
*Free acid (HF) 0.2% max
*Free base (Na2CO3) 0.5% max
*Sulfate (SO4) 0.3% max
*Silicate (SiO2) 0.5% max
*H2O 0.5% max