NPK 20-20-20

Specifications: Molecular formula: H3po4. Co(nh2)2, molecular weight:158, appearance: White crystalline, Molecular weight:158.06, content of co(nh2)2. H3po4:98.5%min, p2o5:43.5%min, Total nitrogen:18%min, ph: Solution): Moisture:0.2%max, heavy metal(as pb): 0.003% max, as:0.004%max, f:0.18%max