aqueous solution nearly transparent viscous liquid, belong to the dangerous goods, non-toxic, non-corrosive. Solid PAM has the water absorbability, flocculability, adhesiveness, drag reduction, thickening, good stability at the same time. Can meet the demand of various aspects, in wastewater and waste liquid treatment, sludge thickening and dewatering, drilling mud additives, mineral processing, coal washing, paper making, etc., can fully meet the requirements of a variety of fields. Widely used in water treatment and electric power, mining, coal preparation, asbestos products, petroleum chemical industry, papermaking, textile, environmental protection, etc.