... ,tablets 3)Package:25kg/bag,50kg/drum Sodium Dichloroisocyanurate (SDIC) 56%,60%Min1.Chemical and Physical Properties:Product Name: ... Sodium Dichloroisocyanurate (SDIC)Molecular formula: C3HCl2N3O3.Na Molecular weight: 219.94 H. ... of high effective,instant effective, wide range and safety. SDIC has strong,fungicide effect, even at dosage of 20ppm, ...