Used in water treatment,metal cleaning and electroplating.

                                dihydrate            anhydrous

content:                 98.0%max           98.0%max

P2O5:                    _                       58.0%max

water insoluble:      0.15%min            0.20%min

PH value(10g/L):              _                4.2~4.8

basicity(Na2O):      18.8~21.0%              _

iron(Fe):                0.10%min                 _

chloride(Cl):          0.40%min                  _

sulphate(SO4):       0.5%min                  _

loss of dryness          _                      2.0%min

(NaH2PO4):

25kg,50kg,1,000kg bags or according to customer's demand.