... Mon: 2000MT Predominance: the flakes(thickness:1mm-2mm) ,less impurity and higher content of NaHS, lower iron.ITEMContentFlakeLiquid BasisNaHS % Min75704035Na2S % ... Predominance:mainly used by mill run, pesticide, dye ,leather production and organic compound. compared with other company, high purity, less ... . Separated from acids, acidic materials, oxidizing agents. Sodium Hydrosulphide for Mining