Hydroxyethyl cellulose (known as HEC) is a white or light yellow, odorless, non-toxic fibrous or powdered nonionic, manufactured through etherification of alkali cellulose and ethylene oxide (or chlorohydrin). HEC is soluble in both cold and hot water, and has no gel characteristics. It has a wide range of substitution, solubility and viscosity, good heat stability.. read more →