... white powder 2.agents of dispering ,water-holding ,thickening, Suspending,film-forming, ... soluble in both hot and cool water,dissolving faster with temperature rising, usually insoluble in most ... with good PH stability,its viscosity varies little within PH2-12.Usage: HEC is used in industry as agents of dispering ,water ... compound bag or plastic-coated bag lined with plastic bag.Prevent sunshine,keep away ...