The Content of Sodium Monofluorophosphate ≥98%
Combined Fluorine ( F )≥13%.
Free Fluorine ( F ) ≤0.5%
P2O5≥48.3%.
Arsenic≤0.0003%
Heavy Metal (Pb) ≤0.002%.
PH (20g/L solution) 6.5-8.0
Loss on drying ≤0.2%