Un.2880 cas :7778-54-3 assay:70%min Moisture:0.1%max insolubles:0.1%max Mesh:10-30mesh or 14-50mesh 90% pass Aquapure chemicals limited is one of a professional manufacturer of water treatment chemicals, ours products including: Tcca-trichloroisocyanuric acid 90%(powder granular & tablets) Sdic-sodium dichloroisocyanurate 60%&56% Calcium hypochlorite 70% granular by sodium process Cya-cyanuric acid