HEC is white to yellowish fibrous or powdery solid, non-toxic, tasteless and soluble in water. Insoluble in common organic solvents. Having properties such as thickening, suspending, adhesive, emulsifying, dispersing, water holding. Different viscosity range of solution can be prepared. Having exceptionally good salt solubility to electrolyte.It is used as adhesives, surfactants, colloidal protectants, dispersants, emulsifiers and dispersion stabilizers.It is widely used in coating, printing ink, fiber, dyeing, papermaking, cosmetic, pesticide, mineral processing, oil recovery and medicine.