1, Apprance: white powder 2,HEC can easily dissolve in hot and cold water 3,Usage: Construction, Fiber & Garment, Footwear ... Product properties: Hydroxyethyl cellulose (HEC) is a non-ionic, water-soluble polymer derived from cellulose through a series of chemical and physical processes. HEC is a white to light yellowish, oderless and tastless powder, readily soluble in hot or cold water to form ...