White powder, granular,or flake Effective cl 58.0-62.0(powder),55.5-62.0(granular) Unsolvable Matter%≤ 0.5 PH(1% solution) 5.5-6.5 Granular 8~30mesh,20~60mesh(or decided by customer) Flake 1g/flake,5g/flake,15g/flake,50g/flake,200g/flake, (or decided customer) Package and weight (net weight) plastic drum,25kg,50kg,plastic knitting bag 1000kg, (or decided by customer)