Diammonium Phosphate(DAP).21-53-00 , fully water-soluble , industrial grade , capacity : 4000 MT /month min . Diammonium Phosphate( DAP)1, 21-53-00 2, we produce and export DAP for ten years .3 ... 6, port of loading : tianjin port if you need DAP,pls contact with shifang anda chemicals co.,Ltd , TKS! ... )%≤ 7Arsenic(As)%≤ 8Fluoride(as F)%≤ 9Water insoluble %≤0.10 Diammonium Phosphate (DAP)21-53-00