... mainly used for petroleum, smelting, choosing mines, paper-making, textiles, sugar-making, cutting stones, chemical engineering, medicine and wastewater ... white granule/powder white granule/powder white granule/powdergrain diameter(mm) <2 <2 <2insoluble soild in water ... product exteral appeance:white granule powder ,PAM is a linear polymer ,soluble in water,its after dissolving ...