ISO9001:2000, SNF strong flocculation easily soluble in water easily adsorp suspended solids to purify the water thoroughly PolyacrylamidePoppularly called flocculant, PAM has the molecular formular of +CH2-CHn, Linear polymers, molecular weight of 4,000,000—20,000,000, strong flocculation, easily soluble in water, dissolute above 120. It appears white and light-yellow at solid, colorless vicous ...