Calcium Hypochlorite via calcium process: Available chlorine: 65%min. Form: in granular/powder/tablet Moisture: 5%max. Insoluble material: 12% UN No.: 1748 Packing in 45kg net plastic drum. Calcium Hypochlorite via sodium process: Available chlorine: 65%/70%min. Form: in granular/powder/tablet Moisture: 5-8% Insoluble material: 5%max. UN No.: 2880 Packing in 40kg net plastic drum. email: tzhlww@yahoo.com.cn