MKP: For highly efficient fertilizers,medicine and foodstuffs industries, used for metaphosphate . Monopotassium Phosphate Tech. Grade(MKP) Purity: 98% min K2O: 33.9% min Moisture: 2.5% max PH: 4.3 - 4.7 Water insoluble: 0.2% max Fe: 0.003% max As: 0.005% max Cl: 0.2% max Pb: 0.005% max Packing: in 25kg pp woven bags