... pam for sludge dewatering1.powder 2.soluble in water 3.for water treatment 4.for industrial sewageAttention 1, the operator ... density, particle with a positive charge, water PH value is neutral or alkaline water, due to the anion polyacrylamide in the ... metallurgy, iron and steel, zinc, aluminum processing industry, electronics, water treatment.3, for the petroleum industry, oil production, drilling ...