Effective Cl: 90% MIN Water content: 0.5%MAX PH (1% solution): 2.6-3.2 Granular: 8-30mesh, 20-60mesh. Flakes: 50g/flake, 100g/flake, 200g/flake (or decided by customer) Packing: 25kg, 50kg plastic drum, plastic knitting bag 1000kg, 50kg fiber drum (or decided by customer).