Spec: battery(%) technical(%) content 98 max 98 max content of basic salt 1.8-2.2 2.2 max sulphate 0.01 max 0.01 max barium 0.1 max 0.1 max ferrous 0.0005 max 0.001 max heavy metal 0.0005max 0.001max Usage: mainly engaged in dehydration agent of organic combined industry and jet agent of dyeing ironed paper plate dyeing pharmacy wood antiseptic agricultural medicine and pigment