... density is 2.484(20Deg. C), easily soluble in water, but not on organic solution, absorbent to dampness, ... Cu and Fe; It is a fine agent for water treatment. Application: For food grade, it is mainly ... Fluoride, as F: 0.003% max Water insoluble: 0.06% max Pb: 0.0001% max Packing: 25kgs net paper ... instead of in the open air, kept away from water, moisture and sunlight during transport, handled with care, ...