... .0075Cr 6+ %, ≤0.0005Hg %, ≤0.00001Pb %, ≤0.001Cd %, ≤0.0002ApplicationPotable/industrial/waste water treatmentFeatures: 1, floc forming fast activity is good, filter ... , metallurgy, coal washing, leather and all kinds of chemical waste water treatment; 3, industrial application; paper sizing, printing dyeing, Cement accelerating agent ...