High Grade DAP Fertilizer / Diammonium Phosphate DAP Diammonium Phosphate P2O5 44-48 % ,N2 18-19.5 %, H2O 1.5 Max %, PARTICLE SIZE 1-4 mm 85% Min, DENSITY 0.92-0.98 gr/cc DAP is used as a fertilizer,a fire retardant, a yeast nutrient in winemaking and mead-making ,as an additive in some brands of cigarettes,as a flux for soldering tin, copper, zinc and brass , Diammonium phosphate