... pam for sludge dewatering1.powder 2.soluble in water 3.for water treatment 4.for industrial sewageAttention 1, the operator should ... metallurgy, iron and steel, zinc, aluminum processing industry, electronics, water treatment.3, for the petroleum industry, oil production, drilling mud, mud ... Time (min)White powder≥888~15≤5≤60 Nonionic Polyacrylamide-water treatment chemicals