Produced by sea water evaporation process. Contains the least proportion of insoluble impurities. Large white crystals and different size crystals. Included in many industries. Sodium Chloride: 98.5 - 98 % Soluble & Insoluble matters not more than: 1.35 - 1.35 % Insoluble matters not more than: 0.15 - 0.25 % Moisture not more than: 4.5-3.5 %