efficient:65% min,granular packing:in 45kg plastic drum,can be changed ... SGS,etc efficient chlorine65% min,granular 100%,no powder,no mixedpackingpacked in 45kg plastic drum,and a 20"container can hold ... /T,Quantity20000metric tons a year we are a reputed and responsible factory,it will be our big pleasure to ... be on service of you in near future stable and efficient calcium hypochlorite(granular 100%)