Easily soluble in cold or hot water to form transparent viscous solutions; different grades offer a wide viscosity range (1% aqueous solution viscosity from 10 to 10,000 mPa·s); integrates thickening, stabilization, emulsification, and water retention functionalities to meet diverse production scenario needs. Combines thickening, stabilization, water retention, and suspension in one, potentially replacing multiple single-function additives to reduce formulation complexity and lower R&D and production control costs.