Specification of salt : Moisture 0.20 % max Calcium. ( on dry basis ) 0.20 % max Magnesium 0.10 % max Sulphate 0.50 % max Water insolubles matter in % 0.10 % max Sodium chloride 99 % min Jumbo bags with liner-wrapped and strapped on ispm wooden pallets. Per jumbo bags 975 kgs, per 20' container 19.5 mt., total 20 jumbos per 20' container.