... , relative density is 2.484 (20°C), easily soluble in water, but not in organic solution, absorbent to dampness, and turn sticky ... , Mg, Cu and Fe; It is a fine agent for water treatment. Technical Specifications: ItemSpecificationTotal phosphate, as P2O5%68.0minInactive phosphate ... , as P2O5%7.5maxIron, as Fe %0.05maxpH of 1% water solution5.8-7.3Water insoluble%0.05max Packaging: Plastic-woven ...