Item Value Effective Active Oxygen [O]% ≥13.50 Appearance white granule Iron Content ≤20PPm Apparent Density g/cm3 0.80--1.0 Free water % ≤2.0 PH Value of 3% Aqueous Solution 10-11 Granule Diameter ≤1mm Packing 25kg in inner film bag lined woven bag Remark The product can be supplied according to your requirement