Specifications: 1.Tech grade: Main content:98% min Phosphorus pentoxide:53% min Nitrogen:20.8% min Ph value of 1% solution:7.8-8.2 Moisture:0.2% max Water insoluble:0.1% max We also provide food grade DAP Packing and storage:in 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.