technological parameter: Components: High-purity copper zinc alloy colour:saffron shape:irregular granules granules size: 0.145_2.00 mm Specification:(10-30 grit) (2.00-0.59mm) (30-70grit) (0.59-0.21mm) stacking density: 2.4-2.9 g/cm3 Water-entering temperature: 0_100 PH Ranges: 5.5_8.5. Effect: 1. strain away 95% residual chlorine of water. 2. strain away heavy metal ions such as Zn2+,Hg2+,Cu2+,Cd2+...of 90% or more. 3. strain away hazardous substance in the water,such as Cr6+,As...and so on. 4. Restrain the reproduction of bacterium and? virus. 5. scale inhibition Effection. KDF 055 is mainly applied in solving drinking water,and is applied in household water purifier,household central water purifier and bathing products,meanwhile,in dealing with polluted well water KDF uses well.KDF has been reviewed favourably . 25kg/bucket.